phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('983bb27e8714e8ca3dd1e0b0877901e4', -1, 1747916216, 1747916216, '038ab2e7', 2, 0, 0)

Line : 190
File : sessions.php