@Romain_Marechal Adding a _RowNumber column in BigQuery does work for creating a new entry, this column seems to remain null on creation. (Second row was added using the appSheet app)Problem that occurs, since primary key is set on _RowNumber, this t...

Yes, same issue. I'm thinking it's the latter of those two because this seems like a really basic issue and yet I can't find anything about it except this post. 

@Julien @Romain_Marechal , did you guys manage to find a solution? If so, would you mind sharing it?