Problem with easyaudioencoder installation

Server Version#: 1.25.8.5663 (up to date)
Player Version#: no idea

When trying to play some files on my media server (running on Raspberry Pi OS 64-bit, installed from official .deb package), I get an error “Conversion failed. A required codec could not be found or failed to install.”.
These files use the “EAC3” codec for audio.
Some other files with audio code “AC3” work fine.

Looking at the console, I see the following errors:

[0x7f7ce9faa8] DEBUG - [Transcode] HTTP requesting GET https://plex.tv/api/codecs/easyaudioencoder?build=linux-aarch64-standard&deviceId=[redacted]&oldestPreviousVersion=1%2E25%2E8%2E5663-e071c3d62&version=1764
[0x7f7d6cfaa8] DEBUG - [HttpClient] HTTP/2.0 (0.2s) 200 response from GET https://plex.tv/api/codecs/easyaudioencoder?build=linux-aarch64-standard&deviceId=[redacted]&oldestPreviousVersion=1%2E25%2E8%2E5663-e071c3d62&version=1764
[0x7f7ce9faa8] ERROR - [Transcode] Codecs: Failed to download XML for codec 'easyaudioencoder'
[0x7f7ce9faa8] ERROR - [Transcode] Error configuring transcoder: Decoder install failed: eac3_eae

Looking at the URI in the logs, I see the following content:

<MediaContainer friendlyName="myPlex" identifier="com.plexapp.plugins.myplex" title="Codec Downloads" codec="easyaudioencoder" version="1764" size="0">
<script id="argent-x-extension" data-extension-id="dlcobpjiigpikoobohmabehhmhfoodbb"/>
<script/>
<script/>
</MediaContainer>

See this thread: Can't download Easy Audio Encoder on PMS 1.25.8.5663 on PI

Thanks. Looks like a backend issue which I am not able to solve on my own.

Permissions look fine to me, also considering that apparently the AC3 codec got installed successfully (it wasn’t in my codecs folder yesterday, but is today after I tried playing one file successfully).

pi@plex-media:/var/lib/plexmediaserver/Library/Application Support/Plex Media Server $ ls -la
total 48
drwxr-xr-x 10 plex plex 4096 Mar 26 08:10  .
drwxr-xr-x  3 plex plex 4096 Mar 25 14:10  ..
drwxr-xr-x  5 plex plex 4096 Mar 26 08:10  Cache
drwxr-xr-x  3 plex plex 4096 Mar 25 14:10  Codecs
drwxr-xr-x  3 plex plex 4096 Mar 25 14:10 'Crash Reports'
drwxr-xr-x  3 plex plex 4096 Mar 26 08:11  Logs
drwxr-xr-x  3 plex plex 4096 Mar 25 14:13  Media
drwxr-xr-x  4 plex plex 4096 Mar 25 14:40  Metadata
-rw-r--r--  1 plex plex    3 Mar 26 08:10  plexmediaserver.pid
drwxr-xr-x  2 plex plex 4096 Mar 25 14:10  Plug-ins
drwxr-xr-x  7 plex plex 4096 Mar 25 14:11 'Plug-in Support'
-rw-r--r--  1 plex plex  952 Mar 26 08:10  Preferences.xml

Closing in favor of duplicate.