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 ('dc91da25ac32e770bb99b57d08deb0cd', -1, 1715176387, 1715176387, '03913bbb', -9, 0, 0)

Line : 189
File : sessions.php