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 ('a2d4cdb3a7effb05c40af46a9f69fc2a', -1, 1715163068, 1715163068, '0317653c', 2, 0, 0)

Line : 189
File : sessions.php