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 ('bc45c7eb7b86f40036a13041c184b02f', -1, 1713526021, 1713526021, '038e626c', 3, 0, 0)

Line : 187
File : sessions.php