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 ('568b11e949c022b002e2225206c92edf', -1, 1714383193, 1714383193, '03932aa8', -11, 0)

Line : 158
File : sessions.php