SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_searchs (searchhash,postids,showposts,sortby,sortorder,searchtime,userid,ipaddress) VALUES ('818b18e215fab9ed6f2a3a3824e7b744',',11,12,13,14,15,16,17,18,19,21,25,26,27,28,32,34,49,68,70,86,88,91,102,113,139,194,216,220,222,225,229,238,239,242,245,260,262,264,267,273,294,295,304,309,320,358,394,399,405,409,412,424,425,426,427,429,442,443,462,491,490,485,508,520,524,538,541,557,563,566,568,569,607,605,606,610,620,626,635,636,646,657,662,684,710,712,714,715,738,743,766,777,778,792,799,805,825,828,835,836,840,844,876,877,882,883,939,955,968,985,1033,1077,1078,1084,1085,1089,1178,1193,1344,1395,1399,1403,1447,1469,1507','1','lastpost','desc','1714428945','0','18.221.98.71')
mysql error: Field 'searchstring' doesn't have a default value
mysql error number: 1364
mysql version: 10.3.39-MariaDB-1:10.3.39+maria~ubu2004
php version: 5.2.17
Date: 30.04.2024 @ 00:15
Script: /search.php?action=user&userid=3&sid=4f0917c11a0787c18e3366af810d55d3
Referer: