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, session_admin) VALUES ('7f77985573dbd05b0e6ce75b4ad034ac', -1, 1747604017, 1747604017, '03902708', 30, 0, 0)

Line : 190
File : sessions.php