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 ('2fc1585f7286a0f7e89c2c0d1c8fb45d', -1, 1713506524, 1713506524, '12e02028', -10, 0, 0)

Line : 187
File : sessions.php