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 ('7def104a2c4f7f9b8ee95c333d4874fa', -1, 1713429055, 1713429055, '030c4722', -2, 0, 0)

Line : 187
File : sessions.php