diff --git a/pkg/activity/activity.go b/pkg/activity/activity.go
index 1634298..1fad5ee 100644
--- a/pkg/activity/activity.go
+++ b/pkg/activity/activity.go
@@ -46,7 +46,9 @@ func NewActivity(opts ...Option) IActivity[youtube.Activity] {
 }
 
 func (a *Activity) Get() ([]*youtube.Activity, error) {
-	a.EnsureService()
+	if err := a.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := a.Service.Activities.List(a.Parts)
 	if a.ChannelId != "" {
 		call = call.ChannelId(a.ChannelId)
diff --git a/pkg/caption/caption.go b/pkg/caption/caption.go
index 1e6eeb2..8ccce3c 100644
--- a/pkg/caption/caption.go
+++ b/pkg/caption/caption.go
@@ -69,7 +69,9 @@ func (c *Caption) GetFields() *common.Fields {
 }
 
 func (c *Caption) Get() ([]*youtube.Caption, error) {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := c.Service.Captions.List(c.Parts, c.VideoId)
 	if len(c.Ids) > 0 {
 		call = call.Id(c.Ids...)
@@ -119,7 +121,9 @@ func (c *Caption) List(writer io.Writer) error {
 }
 
 func (c *Caption) Insert(writer io.Writer) error {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return err
+	}
 	file, err := pkg.Root.Open(c.File)
 	if err != nil {
 		return errors.Join(errInsertCaption, err)
@@ -246,7 +250,9 @@ func (c *Caption) Update(writer io.Writer) error {
 }
 
 func (c *Caption) Delete(writer io.Writer) error {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return err
+	}
 	for _, id := range c.Ids {
 		call := c.Service.Captions.Delete(id)
 		if c.OnBehalfOf != "" {
@@ -267,7 +273,9 @@ func (c *Caption) Delete(writer io.Writer) error {
 }
 
 func (c *Caption) Download(writer io.Writer) error {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return err
+	}
 	call := c.Service.Captions.Download(c.Ids[0])
 	if c.Tfmt != "" {
 		call = call.Tfmt(c.Tfmt)
diff --git a/pkg/channel/channel.go b/pkg/channel/channel.go
index 6f33f5d..636ceb3 100644
--- a/pkg/channel/channel.go
+++ b/pkg/channel/channel.go
@@ -59,7 +59,9 @@ func NewChannel(opts ...Option) IChannel[youtube.Channel] {
 }
 
 func (c *Channel) Get() ([]*youtube.Channel, error) {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := c.Service.Channels.List(c.Parts)
 	if c.CategoryId != "" {
 		call = call.CategoryId(c.CategoryId)
diff --git a/pkg/channelBanner/channelBanner.go b/pkg/channelBanner/channelBanner.go
index bcecd95..649fef0 100644
--- a/pkg/channelBanner/channelBanner.go
+++ b/pkg/channelBanner/channelBanner.go
@@ -43,7 +43,9 @@ func NewChannelBanner(opts ...Option) IChannelBanner {
 }
 
 func (cb *ChannelBanner) Insert(writer io.Writer) error {
-	cb.EnsureService()
+	if err := cb.EnsureService(); err != nil {
+		return err
+	}
 	file, err := pkg.Root.Open(cb.File)
 	if err != nil {
 		return errors.Join(errInsertChannelBanner, err)
diff --git a/pkg/channelSection/channelSection.go b/pkg/channelSection/channelSection.go
index 9fb72a4..8abeca0 100644
--- a/pkg/channelSection/channelSection.go
+++ b/pkg/channelSection/channelSection.go
@@ -55,7 +55,9 @@ func (cs *ChannelSection) GetFields() *common.Fields {
 func (cs *ChannelSection) Get() (
 	[]*youtube.ChannelSection, error,
 ) {
-	cs.EnsureService()
+	if err := cs.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := cs.Service.ChannelSections.List(cs.Parts)
 	if len(cs.Ids) > 0 {
 		call = call.Id(cs.Ids...)
@@ -105,7 +107,9 @@ func (cs *ChannelSection) List(writer io.Writer) error {
 }
 
 func (cs *ChannelSection) Delete(writer io.Writer) error {
-	cs.EnsureService()
+	if err := cs.EnsureService(); err != nil {
+		return err
+	}
 	for _, id := range cs.Ids {
 		call := cs.Service.ChannelSections.Delete(id)
 		if cs.OnBehalfOfContentOwner != "" {
diff --git a/pkg/comment/comment.go b/pkg/comment/comment.go
index 81a0e77..c7dafae 100644
--- a/pkg/comment/comment.go
+++ b/pkg/comment/comment.go
@@ -62,7 +62,9 @@ func NewComment(opts ...Option) IComment[youtube.Comment] {
 }
 
 func (c *Comment) Get() ([]*youtube.Comment, error) {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := c.Service.Comments.List(c.Parts)
 	if len(c.Ids) > 0 && c.Ids[0] != "" {
 		call = call.Id(c.Ids...)
@@ -135,7 +137,9 @@ func (c *Comment) List(writer io.Writer) error {
 }
 
 func (c *Comment) Insert(writer io.Writer) error {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return err
+	}
 	comment := &youtube.Comment{
 		Snippet: &youtube.CommentSnippet{
 			AuthorChannelId: &youtube.CommentSnippetAuthorChannelId{
@@ -171,7 +175,9 @@ func (c *Comment) Insert(writer io.Writer) error {
 }
 
 func (c *Comment) Update(writer io.Writer) error {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return err
+	}
 	c.Parts = []string{"id", "snippet"}
 	comments, err := c.Get()
 
@@ -214,7 +220,9 @@ func (c *Comment) Update(writer io.Writer) error {
 }
 
 func (c *Comment) MarkAsSpam(writer io.Writer) error {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return err
+	}
 	call := c.Service.Comments.MarkAsSpam(c.Ids)
 	err := call.Do()
 	if err != nil {
@@ -234,7 +242,9 @@ func (c *Comment) MarkAsSpam(writer io.Writer) error {
 }
 
 func (c *Comment) SetModerationStatus(writer io.Writer) error {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return err
+	}
 	call := c.Service.Comments.SetModerationStatus(c.Ids, c.ModerationStatus)
 
 	if c.BanAuthor != nil {
@@ -262,7 +272,9 @@ func (c *Comment) SetModerationStatus(writer io.Writer) error {
 }
 
 func (c *Comment) Delete(writer io.Writer) error {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return err
+	}
 	for _, id := range c.Ids {
 		call := c.Service.Comments.Delete(id)
 		err := call.Do()
diff --git a/pkg/commentThread/commentThread.go b/pkg/commentThread/commentThread.go
index 4fe1110..54743ab 100644
--- a/pkg/commentThread/commentThread.go
+++ b/pkg/commentThread/commentThread.go
@@ -54,7 +54,9 @@ func NewCommentThread(opts ...Option) ICommentThread[youtube.CommentThread] {
 }
 
 func (c *CommentThread) Get() ([]*youtube.CommentThread, error) {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := c.Service.CommentThreads.List(c.Parts)
 	if len(c.Ids) > 0 {
 		call = call.Id(c.Ids...)
@@ -136,7 +138,9 @@ func (c *CommentThread) List(writer io.Writer) error {
 }
 
 func (c *CommentThread) Insert(writer io.Writer) error {
-	c.EnsureService()
+	if err := c.EnsureService(); err != nil {
+		return err
+	}
 	ct := &youtube.CommentThread{
 		Snippet: &youtube.CommentThreadSnippet{
 			ChannelId: c.ChannelId,
diff --git a/pkg/common/common.go b/pkg/common/common.go
index b70d1f5..8988ed4 100644
--- a/pkg/common/common.go
+++ b/pkg/common/common.go
@@ -21,22 +21,23 @@ func (d *Fields) GetFields() *Fields {
 	return d
 }
 
-func (d *Fields) EnsureService() {
+func (d *Fields) EnsureService() error {
 	if d.Service == nil {
 		svc, err := auth.NewY2BService(
 			auth.WithCredential("", pkg.Root.FS()),
 			auth.WithCacheToken("", pkg.Root.FS()),
 		).GetService()
 		if err != nil {
-			panic(fmt.Sprintf("failed to create YouTube service: %v", err))
+			return fmt.Errorf("failed to create YouTube service: %w", err)
 		}
 		d.Service = svc
 	}
+	return nil
 }
 
 type HasFields interface {
 	GetFields() *Fields
-	EnsureService()
+	EnsureService() error
 }
 
 func WithParts[T HasFields](parts []string) func(T) {
diff --git a/pkg/i18nLanguage/i18nLanguage.go b/pkg/i18nLanguage/i18nLanguage.go
index 9fa1984..e617d7c 100644
--- a/pkg/i18nLanguage/i18nLanguage.go
+++ b/pkg/i18nLanguage/i18nLanguage.go
@@ -41,7 +41,9 @@ func NewI18nLanguage(opts ...Option) II18nLanguage[youtube.I18nLanguage] {
 func (i *I18nLanguage) Get() (
 	[]*youtube.I18nLanguage, error,
 ) {
-	i.EnsureService()
+	if err := i.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := i.Service.I18nLanguages.List(i.Parts)
 	if i.Hl != "" {
 		call = call.Hl(i.Hl)
diff --git a/pkg/i18nRegion/i18nRegion.go b/pkg/i18nRegion/i18nRegion.go
index 95c1ee0..5fed114 100644
--- a/pkg/i18nRegion/i18nRegion.go
+++ b/pkg/i18nRegion/i18nRegion.go
@@ -39,7 +39,9 @@ func NewI18nRegion(opts ...Option) II18nRegion[youtube.I18nRegion] {
 }
 
 func (i *I18nRegion) Get() ([]*youtube.I18nRegion, error) {
-	i.EnsureService()
+	if err := i.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := i.Service.I18nRegions.List(i.Parts)
 	if i.Hl != "" {
 		call = call.Hl(i.Hl)
diff --git a/pkg/member/member.go b/pkg/member/member.go
index 5c1a1e1..eb0fbdf 100644
--- a/pkg/member/member.go
+++ b/pkg/member/member.go
@@ -43,7 +43,9 @@ func NewMember(opts ...Option) IMember[youtube.Member] {
 }
 
 func (m *Member) Get() ([]*youtube.Member, error) {
-	m.EnsureService()
+	if err := m.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := m.Service.Members.List(m.Parts)
 	if m.MemberChannelId != "" {
 		call = call.FilterByMemberChannelId(m.MemberChannelId)
diff --git a/pkg/membershipsLevel/membershipsLevel.go b/pkg/membershipsLevel/membershipsLevel.go
index 720f632..871c7c2 100644
--- a/pkg/membershipsLevel/membershipsLevel.go
+++ b/pkg/membershipsLevel/membershipsLevel.go
@@ -42,7 +42,9 @@ func (m *MembershipsLevel) GetFields() *common.Fields {
 }
 
 func (m *MembershipsLevel) Get() ([]*youtube.MembershipsLevel, error) {
-	m.EnsureService()
+	if err := m.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := m.Service.MembershipsLevels.List(m.Parts)
 	res, err := call.Do()
 	if err != nil {
diff --git a/pkg/playlist/playlist.go b/pkg/playlist/playlist.go
index 6df63d2..67157b4 100644
--- a/pkg/playlist/playlist.go
+++ b/pkg/playlist/playlist.go
@@ -59,7 +59,9 @@ func NewPlaylist(opts ...Option) IPlaylist[youtube.Playlist] {
 }
 
 func (p *Playlist) Get() ([]*youtube.Playlist, error) {
-	p.EnsureService()
+	if err := p.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := p.Service.Playlists.List(p.Parts)
 
 	if len(p.Ids) > 0 {
@@ -136,7 +138,9 @@ func (p *Playlist) List(writer io.Writer) error {
 }
 
 func (p *Playlist) Insert(writer io.Writer) error {
-	p.EnsureService()
+	if err := p.EnsureService(); err != nil {
+		return err
+	}
 	upload := &youtube.Playlist{
 		Snippet: &youtube.PlaylistSnippet{
 			Title:           p.Title,
@@ -175,7 +179,9 @@ func (p *Playlist) Insert(writer io.Writer) error {
 }
 
 func (p *Playlist) Update(writer io.Writer) error {
-	p.EnsureService()
+	if err := p.EnsureService(); err != nil {
+		return err
+	}
 	playlists, err := p.Get()
 	if err != nil {
 		return errors.Join(errUpdatePlaylist, err)
@@ -223,7 +229,9 @@ func (p *Playlist) Update(writer io.Writer) error {
 }
 
 func (p *Playlist) Delete(writer io.Writer) error {
-	p.EnsureService()
+	if err := p.EnsureService(); err != nil {
+		return err
+	}
 	for _, id := range p.Ids {
 		call := p.Service.Playlists.Delete(id)
 		if p.OnBehalfOfContentOwner != "" {
diff --git a/pkg/playlistImage/playlistImage.go b/pkg/playlistImage/playlistImage.go
index e0c13b6..84be5fe 100644
--- a/pkg/playlistImage/playlistImage.go
+++ b/pkg/playlistImage/playlistImage.go
@@ -58,7 +58,9 @@ func NewPlaylistImage(opts ...Option) IPlaylistImage[youtube.PlaylistImage] {
 }
 
 func (pi *PlaylistImage) Get() ([]*youtube.PlaylistImage, error) {
-	pi.EnsureService()
+	if err := pi.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := pi.Service.PlaylistImages.List()
 	call = call.Part(pi.Parts...)
 	if pi.Parent != "" {
@@ -122,7 +124,9 @@ func (pi *PlaylistImage) List(writer io.Writer) error {
 }
 
 func (pi *PlaylistImage) Insert(writer io.Writer) error {
-	pi.EnsureService()
+	if err := pi.EnsureService(); err != nil {
+		return err
+	}
 	file, err := pkg.Root.Open(pi.File)
 	if err != nil {
 		return errors.Join(errInsertPlaylistImage, err)
@@ -168,7 +172,9 @@ func (pi *PlaylistImage) Insert(writer io.Writer) error {
 }
 
 func (pi *PlaylistImage) Update(writer io.Writer) error {
-	pi.EnsureService()
+	if err := pi.EnsureService(); err != nil {
+		return err
+	}
 	pi.Parts = []string{"id", "kind", "snippet"}
 	playlistImages, err := pi.Get()
 	if err != nil {
@@ -226,7 +232,9 @@ func (pi *PlaylistImage) Update(writer io.Writer) error {
 }
 
 func (pi *PlaylistImage) Delete(writer io.Writer) error {
-	pi.EnsureService()
+	if err := pi.EnsureService(); err != nil {
+		return err
+	}
 	for _, id := range pi.Ids {
 		call := pi.Service.PlaylistImages.Delete()
 		call = call.Id(id)
diff --git a/pkg/playlistItem/playlistItem.go b/pkg/playlistItem/playlistItem.go
index 992baa5..4c1c970 100644
--- a/pkg/playlistItem/playlistItem.go
+++ b/pkg/playlistItem/playlistItem.go
@@ -60,7 +60,9 @@ func NewPlaylistItem(opts ...Option) IPlaylistItem[youtube.PlaylistItem] {
 }
 
 func (pi *PlaylistItem) Get() ([]*youtube.PlaylistItem, error) {
-	pi.EnsureService()
+	if err := pi.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := pi.Service.PlaylistItems.List(pi.Parts)
 	if len(pi.Ids) > 0 {
 		call = call.Id(pi.Ids...)
@@ -145,7 +147,9 @@ func (pi *PlaylistItem) List(writer io.Writer) error {
 }
 
 func (pi *PlaylistItem) Insert(writer io.Writer) error {
-	pi.EnsureService()
+	if err := pi.EnsureService(); err != nil {
+		return err
+	}
 	var resourceId *youtube.ResourceId
 	switch pi.Kind {
 	case "video":
@@ -203,7 +207,9 @@ func (pi *PlaylistItem) Insert(writer io.Writer) error {
 }
 
 func (pi *PlaylistItem) Update(writer io.Writer) error {
-	pi.EnsureService()
+	if err := pi.EnsureService(); err != nil {
+		return err
+	}
 	pi.Parts = []string{"id", "snippet", "status"}
 	playlistItems, err := pi.Get()
 
@@ -250,7 +256,9 @@ func (pi *PlaylistItem) Update(writer io.Writer) error {
 }
 
 func (pi *PlaylistItem) Delete(writer io.Writer) error {
-	pi.EnsureService()
+	if err := pi.EnsureService(); err != nil {
+		return err
+	}
 	for _, id := range pi.Ids {
 		call := pi.Service.PlaylistItems.Delete(id)
 		if pi.OnBehalfOfContentOwner != "" {
diff --git a/pkg/search/search.go b/pkg/search/search.go
index 6ae92a4..2f3ddf3 100644
--- a/pkg/search/search.go
+++ b/pkg/search/search.go
@@ -68,7 +68,9 @@ func NewSearch(opts ...Option) ISearch[youtube.SearchResult] {
 }
 
 func (s *Search) Get() ([]*youtube.SearchResult, error) {
-	s.EnsureService()
+	if err := s.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := s.Service.Search.List(s.Parts)
 	if s.ChannelId != "" {
 		call = call.ChannelId(s.ChannelId)
diff --git a/pkg/subscription/subscription.go b/pkg/subscription/subscription.go
index 40ca69a..ca53bc6 100644
--- a/pkg/subscription/subscription.go
+++ b/pkg/subscription/subscription.go
@@ -58,7 +58,9 @@ func NewSubscription(opts ...Option) ISubscription[youtube.Subscription] {
 }
 
 func (s *Subscription) Get() ([]*youtube.Subscription, error) {
-	s.EnsureService()
+	if err := s.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := s.Service.Subscriptions.List(s.Parts)
 	if len(s.Ids) > 0 {
 		call = call.Id(s.Ids...)
@@ -150,7 +152,9 @@ func (s *Subscription) List(writer io.Writer) error {
 }
 
 func (s *Subscription) Insert(writer io.Writer) error {
-	s.EnsureService()
+	if err := s.EnsureService(); err != nil {
+		return err
+	}
 	subscription := &youtube.Subscription{
 		Snippet: &youtube.SubscriptionSnippet{
 			ChannelId:   s.SubscriberChannelId,
@@ -180,7 +184,9 @@ func (s *Subscription) Insert(writer io.Writer) error {
 }
 
 func (s *Subscription) Delete(writer io.Writer) error {
-	s.EnsureService()
+	if err := s.EnsureService(); err != nil {
+		return err
+	}
 	for _, id := range s.Ids {
 		call := s.Service.Subscriptions.Delete(id)
 		err := call.Do()
diff --git a/pkg/superChatEvent/superChatEvent.go b/pkg/superChatEvent/superChatEvent.go
index c02985c..c9de299 100644
--- a/pkg/superChatEvent/superChatEvent.go
+++ b/pkg/superChatEvent/superChatEvent.go
@@ -41,7 +41,9 @@ func NewSuperChatEvent(opts ...Option) ISuperChatEvent[youtube.SuperChatEvent] {
 }
 
 func (s *SuperChatEvent) Get() ([]*youtube.SuperChatEvent, error) {
-	s.EnsureService()
+	if err := s.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := s.Service.SuperChatEvents.List(s.Parts)
 	if s.Hl != "" {
 		call = call.Hl(s.Hl)
diff --git a/pkg/thumbnail/thumbnail.go b/pkg/thumbnail/thumbnail.go
index 3ac0d7c..5d5fcfd 100644
--- a/pkg/thumbnail/thumbnail.go
+++ b/pkg/thumbnail/thumbnail.go
@@ -38,7 +38,9 @@ func NewThumbnail(opts ...Option) IThumbnail {
 }
 
 func (t *Thumbnail) Set(writer io.Writer) error {
-	t.EnsureService()
+	if err := t.EnsureService(); err != nil {
+		return err
+	}
 	file, err := pkg.Root.Open(t.File)
 	if err != nil {
 		return errors.Join(errSetThumbnail, err)
diff --git a/pkg/video/video.go b/pkg/video/video.go
index c08a8ae..10104de 100644
--- a/pkg/video/video.go
+++ b/pkg/video/video.go
@@ -90,7 +90,9 @@ func NewVideo(opts ...Option) IVideo[youtube.Video] {
 }
 
 func (v *Video) Get() ([]*youtube.Video, error) {
-	v.EnsureService()
+	if err := v.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := v.Service.Videos.List(v.Parts)
 	if len(v.Ids) > 0 {
 		call = call.Id(v.Ids...)
@@ -188,7 +190,9 @@ func (v *Video) List(writer io.Writer) error {
 }
 
 func (v *Video) Insert(writer io.Writer) error {
-	v.EnsureService()
+	if err := v.EnsureService(); err != nil {
+		return err
+	}
 	file, err := pkg.Root.Open(v.File)
 	if err != nil {
 		return errors.Join(errInsertVideo, err)
@@ -295,7 +299,9 @@ func (v *Video) Insert(writer io.Writer) error {
 }
 
 func (v *Video) Update(writer io.Writer) error {
-	v.EnsureService()
+	if err := v.EnsureService(); err != nil {
+		return err
+	}
 	v.Parts = []string{"id", "snippet", "status"}
 	videos, err := v.Get()
 
@@ -385,7 +391,9 @@ func (v *Video) Update(writer io.Writer) error {
 }
 
 func (v *Video) Rate(writer io.Writer) error {
-	v.EnsureService()
+	if err := v.EnsureService(); err != nil {
+		return err
+	}
 	for _, id := range v.Ids {
 		call := v.Service.Videos.Rate(id, v.Rating)
 		err := call.Do()
@@ -398,7 +406,9 @@ func (v *Video) Rate(writer io.Writer) error {
 }
 
 func (v *Video) GetRating(writer io.Writer) error {
-	v.EnsureService()
+	if err := v.EnsureService(); err != nil {
+		return err
+	}
 	call := v.Service.Videos.GetRating(v.Ids)
 	if v.OnBehalfOfContentOwner != "" {
 		call = call.OnBehalfOfContentOwner(v.OnBehalfOfContentOwner)
@@ -427,7 +437,9 @@ func (v *Video) GetRating(writer io.Writer) error {
 }
 
 func (v *Video) Delete(writer io.Writer) error {
-	v.EnsureService()
+	if err := v.EnsureService(); err != nil {
+		return err
+	}
 	for _, id := range v.Ids {
 		call := v.Service.Videos.Delete(id)
 		if v.OnBehalfOfContentOwner != "" {
@@ -444,7 +456,9 @@ func (v *Video) Delete(writer io.Writer) error {
 }
 
 func (v *Video) ReportAbuse(writer io.Writer) error {
-	v.EnsureService()
+	if err := v.EnsureService(); err != nil {
+		return err
+	}
 	for _, id := range v.Ids {
 		videoAbuseReport := &youtube.VideoAbuseReport{
 			Comments:          v.Comments,
diff --git a/pkg/videoAbuseReportReason/videoAbuseReportReason.go b/pkg/videoAbuseReportReason/videoAbuseReportReason.go
index 21c3b50..5e6c98e 100644
--- a/pkg/videoAbuseReportReason/videoAbuseReportReason.go
+++ b/pkg/videoAbuseReportReason/videoAbuseReportReason.go
@@ -41,7 +41,9 @@ func NewVideoAbuseReportReason(opt ...Option) IVideoAbuseReportReason[youtube.Vi
 func (va *VideoAbuseReportReason) Get() (
 	[]*youtube.VideoAbuseReportReason, error,
 ) {
-	va.EnsureService()
+	if err := va.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := va.Service.VideoAbuseReportReasons.List(va.Parts)
 	if va.Hl != "" {
 		call = call.Hl(va.Hl)
diff --git a/pkg/videoCategory/videoCategory.go b/pkg/videoCategory/videoCategory.go
index 57f9834..b894ef7 100644
--- a/pkg/videoCategory/videoCategory.go
+++ b/pkg/videoCategory/videoCategory.go
@@ -41,7 +41,9 @@ func NewVideoCategory(opt ...Option) IVideoCategory[youtube.VideoCategory] {
 }
 
 func (vc *VideoCategory) Get() ([]*youtube.VideoCategory, error) {
-	vc.EnsureService()
+	if err := vc.EnsureService(); err != nil {
+		return nil, err
+	}
 	call := vc.Service.VideoCategories.List(vc.Parts)
 	if len(vc.Ids) > 0 {
 		call = call.Id(vc.Ids...)
diff --git a/pkg/watermark/watermark.go b/pkg/watermark/watermark.go
index de5e4f8..daacf92 100644
--- a/pkg/watermark/watermark.go
+++ b/pkg/watermark/watermark.go
@@ -47,7 +47,9 @@ func NewWatermark(opts ...Option) IWatermark {
 }
 
 func (w *Watermark) Set(writer io.Writer) error {
-	w.EnsureService()
+	if err := w.EnsureService(); err != nil {
+		return err
+	}
 	file, err := pkg.Root.Open(w.File)
 	if err != nil {
 		return errors.Join(errSetWatermark, err)
@@ -89,7 +91,9 @@ func (w *Watermark) Set(writer io.Writer) error {
 }
 
 func (w *Watermark) Unset(writer io.Writer) error {
-	w.EnsureService()
+	if err := w.EnsureService(); err != nil {
+		return err
+	}
 	call := w.Service.Watermarks.Unset(w.ChannelId)
 	if w.OnBehalfOfContentOwner != "" {
 		call = call.OnBehalfOfContentOwner(w.OnBehalfOfContentOwner)