Hi Kevin.
Yes. it comes and goes. I contacted our internal help desk and their suggestion was:
1.) Clear cookies,
2.) Use different browsers (IE or Firefox browser),
3.) Try to log in using a different machine and create an expense.
Which means to me that they don't know what could be wrong.
I did try number 2 and that had no effect.
I then did number 1 (which is a pain because it kills logins and caches for all other websites) and it worked... for a while.
for example I was able to complete a single expense report. however, I then started another one and encountered the same error almost immediately.
I might have more information related to this.
All the errors I have encountered have been when I was trying to add transactions to my expense report in this manner:
1) go to view transactions