I found this forum post. I think you need to step though your applied steps to find where your previous step in M Query isn't matching up to the actual applied step shown on the sidebar.https://community.powerbi.com/t5/Desktop/quot-Expression-Error-A...

My credentials were set to anonymous as well. I'm pretty new to importing data from an API, so I'm probably not the best resource to ask.

I was able to fix the error by making sure that my TABLE_ID was correct. After following the article, I took everything after the "tbl" characters as the TABLE_ID, when I really only needed up to the '/'.The API documentation clued me into what was a...