White screen after migrating site, but wp-admin works fine. Disabling all plugins, applying default theme and enabling debug mode does nothing

White screen after migrating site, but wp-admin works fine. Disabling all plugins, applying default theme and enabling debug mode does nothing

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