phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8ee2a5061d7397dd35808333077818ac', -1, 1715055843, 1715055843, '12db166b', 7, 0, 0)

Line : 189
File : sessions.php