Save a Copy - Sites won't load

[Eric Adler]

We are having an issue for the majority of our users with all Office Client Apps (Word, Excel,...)

When a user goes to "Save a Copy" or "Save" OneDrive shows up but Sites does for about a 2 seconds and then it appears, but when clicked there is a message that says

"The service is currently unavailable. Please try again later."

Any suggestions for tracking down this issue?

[#2]

The outage from the other day was causing this and a host of other index issues, but it should be fixed by now.