SQL-DATABASE ERROR

Database error in pd Script: Invalid SQL: Insert Into pd_rechnung (sessionid, zeit, art) Values ('enset0sf7skom1jleic2luvuq7', 1757964847, 1)
mysql error: Field 'iduser' doesn't have a default value
mysql error number: 1364
Date: 15.09.2025 @ 21:34
Script: /rechnung_neu.php?art=1&phpMyAdmin=kSdVEcrW9JgLk8afnGhkZl7xHhe&step=2
Referer: