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 ('2922f537ae8b1def32adbb6ff295a2d2', -1, 1715306314, 1715306314, '0d3b642a', 3, 0, 0)

Line : 189
File : sessions.php