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 ('ed52e331c9ffd6feb5ab4fd140bf8b4d', -1, 1715009773, 1715009773, '12d8baa4', 0, 0, 0)

Line : 189
File : sessions.php