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 ('d4ab1361ceb6b6f72ed2920b21b3f8e7', -1, 1713272382, 1713272382, '0d3bda93', -10, 0, 0)

Line : 187
File : sessions.php