phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO blitz_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('23c10e7a3494c732f22666f6ea10f5f6', -1, 1713986338, 1713986338, '0aa8c802', 2, 0, 0)

Line : 200
File : sessions.php