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 ('9d6d0f4d7740168a9f647a4b7b34f975',',54,119,120,123,133,134,147,148,149,158,159,302,300,190,198,233,265,312,328,329,330,332,355,366,375,388,403,404,407,416,418,417,447,463,464,465,488,489,487,515,523,525,528,575,576,603,611,614,615,639,678,705,708,717,729,739,741,742,746,749,773,785,789,796,820,850,857,891,913,915,923,924,940,961,983,1026,1070,1074,1075,1079,1121,1131,1139,1145,1152,1154,1156,1176,1182,1183,1190,1199,1247,1270,1275,1279,1297,1301,1316,1317,1320,1326,1332,1335,1341,1346,1348,1354,1360,1402,1427,1430,1463,1515,1521,1522','1','lastpost','desc','1711615269','0','44.204.24.82')
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: 28.03.2024 @ 09:41
Script: /search.php?action=user&userid=6&sid=328a7627bebf6c2e021b3f72af55ccdd
Referer: