SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: SELECT t.* FROM bb1_threads t WHERE t.threadid = '62671'
mysql error: Can't open file: './usr_web1_2/bb1_threads.frm' (errno: 24)
mysql error number: 1016
mysql version: 5.5.47-0+deb6u1-log
php version: 5.3.3-7+squeeze29
Date: 08.07.2020 @ 00:42
Script: /report.php?postid=931492
Referer: