Error with Research after updatinf from 7.10 to 7.12.10

[pgr]

Appears to be the same issue as this one

Global search doesn't work, again

I’m running v7.13.1, php v8.0 and ElasticSearch v7.17.8 I’ve been struggling with this for many days but PHP is not my league; it’s time to seek help, I hope someone can provide it. Global Search became a must for me. Since the beginning I never could use it without the error felt by many, even with Basic Search: An unknown error has occurred while performing the search. Contact an administrator if the problem persists. More information available in the logs. Module search works, though. So,…

but there doesn’t seem to be a solution there (yet), I am afraid…