SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: UPDATE bb1_guthaben_bank SET akt_jahr='2024', crashtag='43', boersencrash='0',boersencrashdate = '', boersencrashaktienwert='', boersencrashprozent='',boersencrashaktienwertneu='' WHERE bankid='1'
mysql error: Incorrect integer value: '' for column `web8_corelith_db`.`bb1_guthaben_bank`.`boersencrashaktienwert` at row 1
mysql error number: 1366
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 18.04.2024 @ 07:02
Script: /markread.php?boardid=58&sid=558c4fb2fe89ab665e79b98c039858ab
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