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 ('26cc9a932f4a221a75f439f8c863ab5e',',218,221,223,255,257,263,268,331,369,1477,439,440,449,450,493,460,472,473,526,596,653,685,682,706,707,767,776,779,859,865,870,874,929,935,953,1001,1002,1009,1010,1020,1022,1080,1081,1087,1101,1107,1114,1120,1134,1144,1476,1194,1261,1284,1294,1295,1296,1300,1308,1340,1359,1378,1380,1383,1384,1390,1406,1432,1434,1436,1454,1466,1468,1472,1473,1503,1504,1516','1','lastpost','desc','1715090605','0','18.116.40.177')
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: 07.05.2024 @ 16:03
Script: /search.php?action=user&userid=11&sid=269c8e4d4e449fa0ed5d8aed557a7ae9
Referer: