Scanner [Plex TV Series]: unable to find agent match when episode contains E01

Plex Media Server Desktops & Laptops
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Server Version#: 1.41.7.9784
Player Version#: Any

I’ve been moving some TV shows from one directory to another and when rescanning the TV Shows library I can see in the log that the agent fails when the episode title contains E01. At least that’s what I can gather from the logs.

This is independent of the TV show and does not happen with the rest of the episodes and has no influence in the respective episodes metadata because it was already fetched long time ago.

I believe this started happening with the previous PMS version but I’m not sure.

I’ve attached an excerpt of the logs so you can clearly see what I’m talking about

Plex Media Server Log.zip (2.0 KB)

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Looks like the the metadata service is returning a 401 error (unauthorized) for some reason. Is your server signed in/claimed?

You might just try restarting the server and see if that helps.

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Thanks.

Yes, signed in/claimed.

I’ve restarted PMS several times due to running Chuck’s DB repair utility. But the errors persist.

The thing is that it only happens with E01 episodes and not with the others.

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Can you enable debug logging, you don’t have that enabled so your logs contain very little diagnostic information.

Could you enable that and then run the server for a bit and reproduce the issue again, then grab the new server logs and post those.

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Stop and restart the server first thing after changing the logging level.

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I don’t usually have debug logging enabled as I usually don’t have any problems.

Have enabled it now, refreshed metadata for a couple of shows and did a couple of Analyze for good measure.

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Done!

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It happens when scanning a library. Or rather a path in the library.

Normally, instead of scanning the whole TV Shows library I scan individual shows when they have already been added to the library:

curl -X GET "192.168.1.100:32400/library/sections/2/refresh?path=%5C%5CMyCloudPR2100%5CDisk1%5CTVShows1%5CDeutschland&X-Plex-Token=[MYTOKEN]"

This is the error in the log

May 16, 2025 11:52:30.036 [6876] ERROR - [MetadataAgent/tv.plex.metadata.agents] Request for item plex://season/602e6715c47d69002c8b9ec6 has failed
May 16, 2025 11:52:30.036 [6876] WARN - Scanner [Plex TV Series]: unable to find agent match for item file '\\MyCloudPR2100\Disk1\TVShows1\Deutschland\Season 02\S02E01 - Tar Baby.mkv'
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I’ve moved two TV shows from one directory to another. One with 1 season and the other with 3 seasons.

Scanned the TV Shows library and as you can see in the logs, the unable to find agent match for item file... error always happens when the episode is E01, not with the others.

There must be something that triggers this error. Can’t see that there are ill effects though. Probably because these episodes have been matched previously. Quite some time ago actually.

Fresh logs. And thanks!

Plex Media Server Logs_2025-05-16_13-36-49.zip (321.7 KB)

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You are not following the naming convention. You should have the name of the show infront if the episode number.

Deutschland - S02E01 - Tar Baby.mkv

It’s ymmv without the name.

Edit: Even if other files and other episodes work, things can still go wrong without the proper naming.

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