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 ('44b9fd7de62c03313d9f95a9ffa6db31', -1, 1713486204, 1713486204, '030f1242', -10, 0, 0)

Line : 187
File : sessions.php