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 ('44f0f96236dc0c6c063271ef8d86bec7', -1, 1713962225, 1713962225, '039173c3', 7, 0, 0)

Line : 187
File : sessions.php