SQL-DATABASE ERROR

Database error in pd Script: Invalid SQL: Insert Into pd_rechnung (sessionid, zeit, art) Values ('5mcpepvmsfo7gcdtph9nn56vf5', 1732179514, 1)
mysql error: Field 'iduser' doesn't have a default value
mysql error number: 1364
Date: 21.11.2024 @ 09:58
Script: /rechnung_neu.php?art=1&phpMyAdmin=kSdVEcrW9JgLk8afnGhkZl7xHhe&step=2
Referer: