You'll have to export and attach a twbx packaged workbook for anyone to have a look.
If you're getting an asterisk it means you're mixing different dimension values for the same ATTR - so it just gives you * rather than your dim value.
To get around this - make your ATTR more granular - lower in the hierarchy of dims or choose a different dim. Or, there might be room to do a data blend, but aggregations become a bit problematic there. Short answer - we need a packaged file to assist you!