LSPHP-redis not working, how to debug

#1
I had a redis server installed on my server already, since we were using it when we were still using apache as webserver. So now I installed openlitespeed and the lsphp82-redis package (the server uses PHP 8.2 at the moment). But, PHP complains that the Redis class doesn't exist, and installing through PECL runs into an unspecified error. What can I do to debug?
 
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