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 ('4c41159b8957e77350c3f849c800c416', -1, 1713622676, 1713622676, '12e3be5d', -1, 0, 0)

Line : 187
File : sessions.php