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User tags fail to create in Radarr due to invalid characters (spaces) #4321
Description
Activity
Also just stumpled upon this issue with same error code.
Radarr version: 6.0.4.10291
Overseerr version: 1.34.0
Also running in docker+1 on this issue. I've got the latest versions as well:
Radarr version: 6.0.4.10291
Overseerr: 1.34.0Any workarounds for short-term? Should I try to downgrade Radarr for now?
+1 on this issue
+1 on this
+1
- Overseerr Version: 1.34.0
- Radarr Version: 6.1.1.10317
+1 on this issue. I've got the latest versions as well: Radarr version: 6.0.4.10291 Overseerr: 1.34.0
Any workarounds for short-term? Should I try to downgrade Radarr for now?
The workaround for me at the moment is to disable tagging within Overseer for now.
Settings > Services > Radarr > Tag Requests [uncheck]
The workaround for me at the moment is to disable tagging within Overseer for now.
Thanks, but this workaround prevents things like user specific Plex lists in agregarr etc, so I wouldn't recommend this if you use these features (I do).
An alternate workaround I'm using is downgrading Radarr for now, e.g.:
lscr.io/linuxserver/radarr:5.28.0This is non-ideal either but at least allows user sign up for now.
I'll follow this thread to see if there is a proper fix in works, thanks!
Im using the hotio containers, do you know which version i need to set this to then?
Because im not sure which is version 5.28 so i can use the correct tags again. I need themFollowing this too, causing issues for me. I won't be able to switch off of my other request app, because I want to see with simple tags of who requested them. I don't really need the userId at all for that. It's using
{userId} - {username}, it'd be great to have that a configurable format to things like{userId} - {username}or{userId}-{username}or{username}.Like how Radarr has this:
Reacted by lunchpot- added a commit that references this issue
on Feb 5, 2026 This is a duplicatie issue from this and this. In issue 4306 people mention an announcement that Overseerr is and Jellyseerr are being merged, see here: https://github.com/seerr-team/seerr?tab=readme-ov-file
Unfortunately it's still in beta but you can try it at your own risk, it looks like the autotags problem is already fix in the dev version though.
Description
When a user makes a movie request through Overseerr, the auto-generated user tag fails to create in Radarr with a 400 error. This is because Overseerr generates tags in the format
{userId} - {username}(e.g.,9 - celesbuffard), which includes spaces.Recent versions of Radarr have tightened tag validation to only allow lowercase
a-z,0-9, and-characters. Spaces are no longer permitted.Expected Behavior:
User tag is created successfully in Radarr.
Actual Behavior:
Tag creation fails with HTTP 400. The movie request itself succeeds, but per-user tracking via tags does not work.
Environment:
Overseerr version: 1.34.0
Radarr version: 6.0.4.10291
Installation: Docker
Suggested Fix:
Sanitize the generated tag to replace spaces with hyphens and ensure only valid characters are used. For example,
9 - celesbuffardshould become9-celesbuffard.Version
1.34.0
Steps to Reproduce
Screenshots
No response
Logs
Overseerr: [error][Media Request]: Something went wrong sending request to Radarr {"errorMessage":"[Radarr] Failed to create tag: Request failed with status code 400","requestId":636,"mediaId":1234} Radarr: [Warn] RadarrErrorPipeline: Invalid request Validation failed: -- Label: Allowed characters a-z, 0-9 and -Platform
desktop
Device
Docker
Operating System
Docker
Browser
Any
Additional Context
No response
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