23503

كيف يظهر

insert or update on table "<table>" violates foreign key constraint "<constraint_name>"

ماذا يعني

SQLSTATE 23503 is foreign_key_violation: the row points at a row in another table that does not exist, or a delete would leave other rows pointing at nothing.

السبب المعتاد في تطبيق مبني بالذكاء الاصطناعي

AI-built apps often insert a row with a user_id or parent id before the row it points to exists, for example saving a post for a user whose profile row was never created.