SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Invalid SQL: DELETE FROM bb1_postcache WHERE threadid NOT IN (0,27,346,49,51,1209,125,6215,253,292,293,623,308,2345,681,931,1439,885,1208,1287,1793,1792,2576,2616,2833,3269,3460,3464,5335,3621,3680,6216,4832,4235,4331,4494,6871,6120,6446,9120,9501)
mysql error: DELETE command denied to user 'web205'@'localhost' for table 'bb1_postcache'
mysql error number: 1142
mysql version: 5.7.25
php version: 5.5.38
Date: 19.04.2024 @ 12:33
Script: /gnetboard/addreply.php?postid=95959&sid=f36fc9a5c602456667c8d3e4b72eb894
Referer: