Error while merging 2 people: Error loading message template

[Tanfav]

Describe the bug

When i try to merge 2 people (people / 3 dots / merge with different people), i get an error message , on browser level:

the site www.myurl.com indicate
Error loading message template

Steps To Reproduce

1/ Open memories app
2/ go to people
3/ click on a non identified people
4/ click on the three dots on uper right side
5/ select "merge with other people"
6/ Select the people you want to merge to
7/ Error message: Error loading message template

Platform

- OS:Debian
- Browser: Edge / Chrome / firefox
- Memories Version: 7.3.1
- Nextcloud Version: 29.0.7
- PHP Version: 8.3.11

Screenshots

No response

Additional context

No error found on netcloud logs
This error occured after several days of normal usage, after a recrawl

[otmarlendl]

I encounter the same error. Setup is docker-compose over linux

  app:
    image: nextcloud:30-fpm-alpine

also no message in nextcloud.log

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Addendum: Merging an "Unnamed Person" into a "Named Person" gave me the error, the other way round worked - and now I could do a merge which didn't work before. Very strange.