EventAggregator ExtraService failed while processing [SeriesScannedEvent]: Sequence contains more than one element

Sonarr version (exact version): 3.0.6.1342 (.net Version 4.8.0)
OS: Windows 7 Professional
Debug logs: https://paste.ubuntu.com/p/SfFNGwsh6R/
Description of issue:

Can anyone shed any light on why I’m getting these errors?

|EventAggregator|ExtraService failed while processing [SeriesScannedEvent]: Sequence contains more than one element|10:48pm||
|---|---|---|---|
|EventAggregator|ExtraService failed while processing [SeriesScannedEvent]: Sequence contains more than one element|10:47pm||
|EventAggregator|ExtraService failed while processing [SeriesScannedEvent]: Sequence contains more than one element|10:46pm||
|EventAggregator|ExtraService failed while processing [SeriesScannedEvent]: Sequence contains more than one element|10:44pm||

System.InvalidOperationException: Sequence contains more than one element

   at System.Linq.Enumerable.SingleOrDefault[TSource](IEnumerable`1 source)

   at NzbDrone.Core.Extras.Files.ExtraFileRepository`1.FindByPath(String path) in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Extras\Files\ExtraFileRepository.cs:line 59

   at NzbDrone.Core.Extras.Files.ExtraFileService`1.FindByPath(String path) in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Extras\Files\ExtraFileService.cs:line 64

   at NzbDrone.Core.Extras.Others.OtherExtraFileRenamer.RemoveOtherExtraFile(Series series, String path) in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Extras\Others\OtherExtraFileRenamer.cs:line 74

   at NzbDrone.Core.Extras.Others.OtherExtraFileRenamer.RenameOtherExtraFile(Series series, String path) in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Extras\Others\OtherExtraFileRenamer.cs:line 55

   at NzbDrone.Core.Extras.Metadata.MetadataService.ProcessEpisodeMetadata(IMetadata consumer, Series series, EpisodeFile episodeFile, List`1 existingMetadataFiles) in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Extras\Metadata\MetadataService.cs:line 269

   at NzbDrone.Core.Extras.Metadata.MetadataService.CreateAfterSeriesScan(Series series, List`1 episodeFiles) in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Extras\Metadata\MetadataService.cs:line 107

   at NzbDrone.Core.Extras.ExtraService.Handle(SeriesScannedEvent message) in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Extras\ExtraService.cs:line 153

   at NzbDrone.Core.Messaging.Events.EventAggregator.PublishEvent[TEvent](TEvent event) in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Messaging\Events\EventAggregator.cs:line 92

Fuller logs are in the link

Info logs and just the error spew are just about useless. Info logs are not debug logs. Please review the link from the post template linking you to the wiki.

It looks like there is some non video-file in the Office that is causing an issue

1 Like

Thanks for the heads up; it seems multi-part/file episodes that Sonarr can’t handle are the problem.

I’m working through all the errors and joining multi-parts into single file episodes using MKVToolNix and hopefully that will fix everything once done.

Sonarr supports 1 file many episodes, but it does not support many files 1 episode

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