An update to the situation. Since the host won’t allow me to edit php.ini myself (I can only view it), I asked them to look into the path and reerenced to several several threads on this topic. They edited it, but it still looked like a messed up path. They then responded to me that this was outdated troubleshooting and not relevant to this issue. I doubt that. Now the php.ini file does not exist at all as I believe they deleted it. They insist it’s a permissions issue, but changing either and both the temp folder and the uploads folder to to 777 results in no change. Temporarily changing the wp-content folder throws a 500 error.
I see that now, but my question remains. When I click menu from the custom theme there is only the footer menu available and it says the theme only supports one menu.