I setup a Terramaster F8 Plus with TrueNAS Scale 25.04.1, and was experiencing app catalog sync errors that I couldn’t fix via the web interface. Others solved the issue by setting the bios time or manually unsetting/setting the app pool, but those didn’t work well for me. I think the main issue is …

:white_check_mark: No Script Solution After a lot of testing, I found the root cause of the recurring [EFAULT] Failed to clone ... /mnt/.ix-apps/truenas_catalog errors. After correcting the root case, the script was no longer required. In my case, the problem was ultimately a replication tasks cop…

Excellent, been putting off making something like this for myself as I have weird issues with my bridge only on boot specifically. Thoughts on doing a check on if github is reachable prior to the un/reset? Otherwise not much point imo

That would be a good addition. If github were unreachable, it could wait a while and checking again.

I updated the script so it now checks if github is reachable. #!/bin/bash # ======================== # TrueNAS App Catalog Fix Script # ======================== # ✅ Checks for TRUENAS catalog sync errors # ✅ If present, unsets and resets the Kubernetes app pool # ✅ Triggers catalog refresh # ✅ Ver…

Interesting, thank you for taking your time to look into this! Can you file an official Bug Report using the TrueNAS UI? You will need to make a Jira account, but the issue with a replicated ix-apps triggering the fault likely affects others as well.

Sure thing. I’ll submit a bug report.

Please post a link to the JIRA ticket in this thread

[NAS-137899] Replicating .ix-apps Dataset Causes Auto-Mount Conflict and App Catalog Sync Failure - iXsystems TrueNAS Jira

Hello, I wanted to post here a strange issue that looks having a similar error message about git not being able to clone the apps repository but with a different root cause (it seems related to github actually having some rate-limiting protection, from what I would guess, preventing further clone r…

See also: [image] TrueNAS Apps catalog fails to sync - Git HTTP/2 returns 401, HTTP/1.1 works Apps and Virtualization Hi everyone, I’m posting this mainly for future reference in case anyone else runs into the same issue. I’m not a programmer or sysadmin, and …

Just spreading the word. This is, in fact, an upstream GitHub issue. cf. TrueNAS Apps catalog fails to sync - Git HTTP/2 returns 401, HTTP/1.1 works - #26 by csj

Script to Fix App Catalog Sync Errors

TrueNAS General

dan September 2, 2026, 9:50pm 11

See also:

IMO, the better way ahead is to just wait. This is a problem on GitHub’s end, and I expect they’ll sort it out shortly.

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TrueNAS Apps catalog fails to sync - Git HTTP/2 returns 401, HTTP/1.1 works Apps and Virtualization SCALE , Networking , Apps	32	1497	September 9, 2026
TrueNas Scale cannot clone github repos for apps, but can use the internet for everything else Apps and Virtualization SCALE	13	10272	June 27, 2025
Truenas catalog fails to update Apps and Virtualization	18	982	January 6, 2026
Apps disappear after TrueNAS SCALE reboot – how to fix? TrueNAS General SCALE , Apps	10	3059	September 1, 2025
App catalog not working Apps and Virtualization	5	269	September 3, 2026

Script to Fix App Catalog Sync Errors

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