Hi Vlad,
in the Partner area of our website is a document to assist in
using the Report Convertor. This is the same document that Steve referred to.
On pages 3 and 4, there is a utility called the Report/Dictionary Usage Survey, which is the ReportDictUsage.exe program in the \Softrak\System\ReportConvertor directory. It's purpose is to let you know which reports using QRW tables are able to be converted, because not every QRW table from all time have been included in the table mapping file.
I created an old-style Crystal 8.5 report that had the Sales Order Extension file in it, and I was able to replicate the message you also received. Looking at the table map file, I can see the Sales Order Extension line for the OEW65 table, so I am not sure why this error is occurring. I will need to ask R&D.
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As for your second question, the Change Version ID fields only come into play if you are trying to convert a report based on one dictionary version that uses an ODBC connection to another newer ODBC connection. We have not yet shipped any Adagio upgrades after 9.2A, so this portion does not yet come into play. But say when an upgrade such as Adagio Payables 9.2B ships and requires a database conversion, then you would use this Change Version ID to convert a report that already uses an ODBC connection for 9.2A, to the newer 9.2B.