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 ('14941a8b03d644edbc14a5417a32dc19', -1, 1751838289, 1751838289, 'd849d85b', 42, 0, 0)

Line : 190
File : sessions.php