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 ('91f05ba6ea78b5a8ef98f11583ca05db', -1, 1715117989, 1715117989, '03935955', 2, 0, 0)

Line : 189
File : sessions.php