SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: SELECT boardid, title FROM bb1_boards WHERE boardid IN ()
mysql error: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 1
mysql error number: 1064
mysql version: 10.5.23-MariaDB-0+deb11u1-log
php version: 5.6.40
Date: 26.04.2024 @ 04:36
Script: /print.php?threadid=9728&page=1&sid=0871bcc1d5a246641321251fc3c49af1
Referer: