Can’t Install Child Theme “The parent theme is missing. Please install the “Default” parent theme.”

Change this line: Template: Default Template to Template: wp_techgostore-theme-package

As per the WordPress Codex,

The Template line corresponds to the directory name of the parent theme

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