I’m now being told, by my host, that it is a problem with my theme. Here is what they told me, I’d love to get another opinion on it.
“This is an issue with your theme. By disabling the /wp-content/theme directory the /wp-admin page will load.
You need to update your plugins and themes as well or contact the vendor of the theme and get assistance from them.
This is a 3rd party application scripting/coding issue.”