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 ('22c61c36f06cec7193ff844bb43b8ec6', -1, 1747826816, 1747826816, '038a7ee9', 3, 0, 0)

Line : 190
File : sessions.php