phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('cfc92a0ffde3df4d389f491e2169b574', -1, 1714736574, 1714736574, '127666e1', 20, 0)

Line : 158
File : sessions.php