SQL-DATABASE ERROR

Database error in pd Script: Invalid SQL: Insert Into pd_rechnung (sessionid, zeit, art) Values ('3j54uo9s1senmocrisp7psrlg6', 1766526193, 2)
mysql error: Field 'iduser' doesn't have a default value
mysql error number: 1364
Date: 23.12.2025 @ 22:43
Script: /rechnung_neu.php?art=2&phpMyAdmin=kSdVEcrW9JgLk8afnGhkZl7xHhe&step=2
Referer: