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Posted

Been trying to restore VirtualTV plugin (shows it's loading in logs but won't show up in my Plugin list or as an option when trying to test building home grown channel content.  However, when looking through the logs, I came accross this.  I don't see any visible issues with the server, but seems like this is tossing out a lot of content so hoping someone can translate this for me:

2025-04-21 05:58:27.103 Error App: Error loading types from assembly
	*** Error Report ***
	Version: 4.8.11.0
	Command line: /volume1/@appstore/EmbyServer/system/EmbyServer.dll -programdata /var/packages/EmbyServer/var -ffdetect /var/packages/EmbyServer/target/bin/ffdetect -ffmpeg /var/packages/EmbyServer/target/bin/ffmpeg -ffprobe /var/packages/EmbyServer/target/bin/ffprobe -nolocalportconfig -ignore_vaapi_enabled_flag -pidfile /var/packages/EmbyServer/var/EmbyServer.pid -defaultdirectory /volume1/Public -updatepackage emby-server-synology72_{version}_x86_64.spk -noautorunwebapp
	Operating system: Linux version 4.4.302+ (root@build5) (gcc version 12.2.0 (GCC) ) #72806 SMP Thu Sep 5 13:44:44 CST 2024
	Framework: .NET 6.0.36
	OS/Process: x64/x64
	Runtime: volume1/@appstore/EmbyServer/system/System.Private.CoreLib.dll
	Processor count: 4
	Data path: /var/packages/EmbyServer/var
	Application path: /volume1/@appstore/EmbyServer/system
	System.Reflection.ReflectionTypeLoadException: System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types.
	Could not load file or assembly 'MediaBrowser.Common, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Controller, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Controller, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Controller, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	   at System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
	   at System.Reflection.Assembly.GetTypes()
	   at Emby.Server.Implementations.ApplicationHost.GetTypes(Tuple`2 assemblyInfo)
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Common, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Common, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Controller, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Controller, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Controller, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Controller, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Controller, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Controller, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	System.IO.FileNotFoundException: Could not load file or assembly 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.
	
	File name: 'MediaBrowser.Model, Version=4.9.0.33, Culture=neutral, PublicKeyToken=null'
	Source: System.Private.CoreLib
	TargetSite: System.RuntimeType[] GetTypes(System.Reflection.RuntimeModule)

 

Posted

hi, this looks like you installed the 4.9 beta server and then rolled back to 4.8. This is not supported. You should either go back up to 4.9 or make a fresh start on 4.8.

Posted

Hey @Luke.  I tried to install but it errored out (I was using the wrong DSM package version).  It never actually got updated as far as I could tell.  The log still shows 4.8.x.  

I can't tell any impact on the server/clients, so I'm okay to continue as is unless you tell me it's not a good idea with those errors.

Posted
Quote

It never actually got updated as far as I could tell. 

The log suggests that you were on 4.9. 

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