We have realized that in koha 22.05 and probably newer koha versions, any process that runs on background_jobs (specially batchitems= it fails if the home branch name includes non english charset example: 'í' {"interface":"intranet","id":"Odigital","shibboleth":"0","desk_id":null,"branchname":"Enríquez XXX - Universidad del XXXX","desk_name":null,"cardnumber":"OREX_DIGITAL","flags":"1","number":"25055","register_name":null,"branch":"UNICARIBE","emailaddress":"","surname":"Digital","firstname":"Orex","register_id":null} causes 500 error On logs worker-output.log:malformed UTF-8 character in JSON string, at character offset 212 (before "\x{fffd}ez ...") at /usr/share/koha/lib/Koha/BackgroundJob.pm line 170. If we change the name and restart servicess (cache and plack) worka again.
Looks like a duplicate of bug 31351. *** This bug has been marked as a duplicate of bug 31351 ***
Please upgrade to 22.05.06