In the report type considerations document available here, that Person account fields cannot be added to custom report type.
Are these fields stored in the contact table? Can i use the add fields via contact lookup instead and get these fields in a report type?
Please suggest any other workarounds you might have used.
The problem turned out to be Administrator error. A lookup on the Opportunity had its Related List Label set to Opportunities so when building a Custom Report Type Opportunities appeared twice in the drop-down list. The wrong entry was selected in the sandbox and was then propagated to production (where the Related List Label was correct.)
Now that the Related List Label has been corrected I can work on getting the Custom Report Type and Reports restored.
You selected Accounts WITH or WITHOUT Contacts, therefore, the report is going to ignore your filter criteria and will pull records that "apparently" don't match. You can create this type of reports using cross filters
Best Answer
We use Person Accounts (PA) extensively and I have their fields in multiple Custom Report Types (CRT). You just need to add them via lookup.
When you click
Add fields related via lookup,Person AccountandPerson Contactare both options let you select the PA fields, such as email and mailing address (see attached screenshot.)