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 ('1a975e9e538b641662d01b23e815c574', -1, 1714460236, 1714460236, '038b5217', 7, 0)

Line : 158
File : sessions.php