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 ('a702f1b5f6a556d0c963b5f1157af00d', -1, 1715300135, 1715300135, '12be9c50', -9, 0, 0)

Line : 189
File : sessions.php