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 ('d5f94eb4e1cf0b3efa5ff39c9f2563f4', -1, 1713429878, 1713429878, '03910fcd', -9, 0, 0)

Line : 187
File : sessions.php