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 ('e09f5eeca5df15eae3adc3e4d7d466d5', -1, 1714671814, 1714671814, '038b5217', -9, 0)

Line : 158
File : sessions.php