SQL-DATABASE ERROR

Database error in pd Script: Invalid SQL: Insert Into pd_rechnung (sessionid, zeit, art) Values ('gkuigfir2sv7ntj5vqkqj2fdn1', 1751671954, 1)
mysql error: Field 'iduser' doesn't have a default value
mysql error number: 1364
Date: 05.07.2025 @ 01:32
Script: /rechnung_neu.php?art=1&phpMyAdmin=kSdVEcrW9JgLk8afnGhkZl7xHhe&step=2
Referer: