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 ('e24c6a1a89a1615d16fc8c657c63e69a', -1, 1715268880, 1715268880, '12bc46ff', -2, 0, 0)

Line : 189
File : sessions.php