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 ('27e2ad6317b95695b61e1780bb7a56be', -1, 1751320197, 1751320197, 'd849d844', -4, 0, 0)

Line : 190
File : sessions.php