We have a premium Google Analytics account, which will give us access to row level event data. This data is exported daily to Google Bigquery and for every day a new table w
I suspect the tables generated by Google Analytics Premium have been augmented with the addition of new columns. Adding columns shouldn't be a problem, unless your queries use the * selector, and one of the new columns happens to contain nested values.
Recommended solution: Instead of using *, explicitly ask for the columns you need.