Library scan issue

[Gabi92 0]

Hi there.
I´ve found an issue as few films has disapeared in emby but the files exist and can be played from the disk.
When i try to scan the library there is an issue:
 

2026-08-06 17:09:05.216 Error ProviderManager: Error validating children for W 116964 /discos/Peliculas/Pelis/W
        *** Error Report ***
        Version: 4.9.5.0
        Command line: /opt/emby-server/system/EmbyServer.dll -programdata /var/lib/emby -ffdetect /opt/emby-server/bin/ffdetect -ffmpeg /opt/emby-server/bin/ffmpeg -ffprobe /opt/emby-server/bin/ffprobe -restartexitcode 3 -updatepackage emby-server-deb_{version}_amd64.deb
        Operating system: Linux version 6.8.12-22-pve (build@proxmox) (gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP PREEMPT_DYNAMIC PMX
        OS/Process: x64/x64
        Framework: .NET 8.0.25
        Runtime: opt/emby-server/system/System.Private.CoreLib.dll
        Processor count: 2
        Data path: /var/lib/emby
        Application path: /opt/emby-server/system
        System.NullReferenceException: System.NullReferenceException: Object reference not set to an instance of an object.
           at Emby.Naming.Video.VideoListResolver.GetVideosGroupedByVersion(List`1 videos, VideoResolver videoResolver, Boolean supportMultiVersion)
           at Emby.Naming.Video.VideoListResolver.ResolveToResult(List`1 files, Boolean supportMultiVersion, Boolean parseName, Boolean isMixedFolder)
           at Emby.Server.Implementations.Library.Resolvers.VideoResolver.ResolveVideos[T](IEnumerable`1 files, Folder parent, IDirectoryService directoryService, Boolean supportMultiEditions, Boolean supportsMultiParts, BaseItem[] collectionFolders, LibraryOptions libraryOptions, Boolean parseName, Boolean checkSubFolders)
           at Emby.Server.Implementations.Library.Resolvers.VideoResolver.FindMovie[T](FileSystemMetadata[] fileSystemEntries, Folder parent, IDirectoryService directoryService, BaseItem[] collectionFolders, LibraryOptions libraryOptions, Boolean supportsMultiVersion, Boolean supportsMultiPart, Boolean parseName)
           at Emby.Server.Implementations.Library.Resolvers.VideoResolver.ResolveVideos[T](IEnumerable`1 files, Folder parent, IDirectoryService directoryService, Boolean supportMultiEditions, Boolean supportsMultiParts, BaseItem[] collectionFolders, LibraryOptions libraryOptions, Boolean parseName, Boolean checkSubFolders)
           at Emby.Server.Implementations.Library.Resolvers.VideoResolver.ResolveMultipleInternal(Folder parent, List`1 files, List`1 originalFiles, LibraryOptions libraryOptions, BaseItem[] collectionFolders, IDirectoryService directoryService)
           at MediaBrowser.Controller.Resolvers.BaseItemResolver`1.ResolveMultiple(Folder parent, List`1 files, List`1 originalFiles, LibraryOptions libraryOptions, BaseItem[] collectionFolders, IDirectoryService directoryService)
           at Emby.Server.Implementations.Library.LibraryManager.ResolvePaths(FileSystemMetadata[] files, IDirectoryService directoryService, Folder parent, BaseItem[] collectionFolders, LibraryOptions libraryOptions)
           at MediaBrowser.Controller.Entities.BaseItem.ValidateChildrenInternal(IProgress`1 progress, CancellationToken cancellationToken, Boolean recursive, Boolean refreshChildMetadata, BaseItem[] collectionFolders, LibraryOptions libraryOptions, Dictionary`2 newItemIds, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService)
           at Emby.Providers.Manager.ProviderManager.RefreshCollectionFolderChildren(MetadataRefreshOptions options, CollectionFolder collectionFolder, CancellationToken cancellationToken)
        Source: Emby.Naming
        TargetSite: System.Collections.Generic.List`1[Emby.Naming.Video.VideoInfo] GetVideosGroupedByVersion(System.Collections.Generic.List`1[Emby.Naming.Video.VideoInfo], Emby.Naming.Video.VideoResolver, Boolean)

What can i do to solve it?

 

Thank you

embyserver.txt

[Luke 42858]

Hi, yes this should be resolved for the next release. If you need immediate relief there is the server beta channel. Thanks.

[Gabi92 0]

Than you for the response.
I´ve tried the beta version but the error is still there:
 

2026-08-08 09:01:29.039 Info ProviderManager: RefreshItem Start: 116949 Folder /discos/Peliculas/Pelis/H
2026-08-08 09:01:29.262 Error ProviderManager: Error validating children for H 116949 /discos/Peliculas/Pelis/H
        *** Error Report ***
        Version: 4.10.0.22
        Command line: /opt/emby-server/system/EmbyServer.dll -programdata /var/lib/emby -ffdetect /opt/emby-server/bin/ffdetect -ffmpeg /opt/emby-server/bin/ffmpeg -ffprobe /opt/emby-server/bin/ffprobe -restartexitcode 3 -updatepackage emby-server-deb_{version}_amd64.deb
        Operating system: Linux version 6.8.12-22-pve (build@proxmox) (gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP PREEMPT_DYNAMIC PMX
        OS/Process: x64/x64
        Framework: .NET 8.0.28
        Runtime: opt/emby-server/system/System.Private.CoreLib.dll
        Processor count: 2
        Data path: /var/lib/emby
        Application path: /opt/emby-server/system
        System.NullReferenceException: System.NullReferenceException: Object reference not set to an instance of an object.
           at Emby.Naming.Video.VideoListResolver.GetVideosGroupedByVersion(List`1 videos, VideoResolver videoResolver, Boolean parseName, Boolean supportMultiVersion)
           at Emby.Naming.Video.VideoListResolver.ResolveToResult(List`1 files, Boolean supportMultiVersion, Boolean parseName, Boolean isMixedFolder)
           at Emby.Naming.Video.VideoListResolver.Resolve(List`1 files, Boolean supportMultiVersion, Boolean parseName, Boolean isMixedFolder)
           at Emby.Server.Implementations.Library.Resolvers.VideoResolver.ResolveVideos[T](IEnumerable`1 files, Folder parent, IDirectoryService directoryService, Boolean supportMultiEditions, Boolean supportsMultiParts, BaseItem[] collectionFolders, LibraryOptions libraryOptions, Boolean parseName, Boolean checkSubFolders)
           at Emby.Server.Implementations.Library.Resolvers.VideoResolver.FindMovie[T](FileSystemMetadata[] fileSystemEntries, Folder parent, IDirectoryService directoryService, BaseItem[] collectionFolders, LibraryOptions libraryOptions, Boolean supportsMultiVersion, Boolean supportsMultiPart, Boolean parseName)
           at Emby.Server.Implementations.Library.Resolvers.VideoResolver.ResolveVideos[T](IEnumerable`1 files, Folder parent, IDirectoryService directoryService, Boolean supportMultiEditions, Boolean supportsMultiParts, BaseItem[] collectionFolders, LibraryOptions libraryOptions, Boolean parseName, Boolean checkSubFolders)
           at Emby.Server.Implementations.Library.Resolvers.VideoResolver.ResolveMultipleInternal(Folder parent, List`1 files, List`1 originalFiles, LibraryOptions libraryOptions, BaseItem[] collectionFolders, IDirectoryService directoryService)
           at MediaBrowser.Controller.Resolvers.BaseItemResolver`1.ResolveMultiple(Folder parent, List`1 files, List`1 originalFiles, LibraryOptions libraryOptions, BaseItem[] collectionFolders, IDirectoryService directoryService)
           at Emby.Server.Implementations.Library.LibraryManager.ResolvePaths(FileSystemMetadata[] files, IDirectoryService directoryService, Folder parent, BaseItem[] collectionFolders, LibraryOptions libraryOptions)
           at MediaBrowser.Controller.Entities.Folder.GetNonCachedChildren(IDirectoryService directoryService, BaseItem[] collectionFolders, LibraryOptions libraryOptions)
           at MediaBrowser.Controller.Entities.BaseItem.ValidateChildrenInternal(IProgress`1 progress, CancellationToken cancellationToken, Boolean recursive, Boolean refreshChildMetadata, BaseItem[] collectionFolders, LibraryOptions libraryOptions, Dictionary`2 newItemIds, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService)
           at Emby.Providers.Manager.ProviderManager.RefreshItem(BaseItem item, MetadataRefreshOptions options, CancellationToken cancellationToken)
        Source: Emby.Naming
        TargetSite: System.Collections.Generic.List`1[Emby.Naming.Video.VideoInfo] GetVideosGroupedByVersion(System.Collections.Generic.List`1[Emby.Naming.Video.VideoInfo], Emby.Naming.Video.VideoResolver, Boolean, Boolean)

 

embyserver.txt

[Luke 42858]

OK that's strange. We'll have a new build up today. I've added one more change so please let us know if that resolves it. Thanks.