Child theme works in local environment but is not working on remote

Sorry to say, but the problem was that, in production, I had activated the parent theme instead of child theme. I am embarrassed by this cluelessness and I apologize for making you waste your time

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