Alias to theme folder for local development

Got it—needed to use a symlink rather than an alias.

cd ~/child1.local/wp-content/themes/
ln -s ~/parent.local/wp-content/themes/parent/ parent

Figured it out with help from this article.

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