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 ('422185e5e46c774d3ea615f1d49f4889', -1, 1748172335, 1748172335, '12d8dc69', 2, 0, 0)

Line : 190
File : sessions.php