Users are unable to create an IR833 return (Property Sales) if an IR3 return already exists in Tax Returns Console for that client in that year.
The Property Sales (IR833) option is not available to choose from:
This is resolved in the January 2021 Tax release. Please contact APS support should you require the fix file sooner.
If the IR3 already exists, delete the IR3 Return. Create the IR833 form first and then re-create the IR3 Return.