Advanced Analytics - Missing Fields

Advanced Analytics - Missing Fields

I have been attempting to create a report in Advanced Analytics but I have been unable to because the data I need is not being sent via the integration module in ServiceDesk Plus MSP.  I need the information contained in the Subcategory field and that field is not available, the only field available is the Category field.  Is there a way to add the "subcategory" field information so that it's available in Advanced Analytics?  It would also be nice to have the "Item" field information.
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