Whenever I add, modify, or remove a menu, my WordPress website does not update unless I perform a CSS regeneration. How can I address that problem?

Whenever I add, modify, or remove a menu, my WordPress website does not update unless I perform a CSS regeneration. How can I address that problem?

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)