To take advantage of the new features, a report must be successfully upgraded.
If you see the error "Error: Subreport could not be processed", you must change the definition of the main report or the subreport so that the reports can be processed by the same version of the report processor.
As I said in my original post, the workbooks are not protected or shared. Not only can the report be re-imported into QB, but it cannot be updated. We do that with the style and format of our responses.
A software bug is an error, flaw, failure, or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways.
The report is automatically upgraded the first time it is viewed, but the stored report definition file remains unchanged.