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 ('98de6d00f2b56edb090d616adeeccefc', -1, 1715309196, 1715309196, '03154c00', -8, 0, 0)

Line : 189
File : sessions.php