Sage 500

Hello, the saga continues. We upgraded to the 2021 version on Friday and now we are not able to run our Standard SAGE reports such as Aged Payables, Aged Receivables, etc. This is the error we are getting:

upon trying to save an invoice I am receiving this error in my testing of Sage 500 2013: Module: Company: TT1 AppName: ProcessInvoices Error <13> occurred at <frmInvcEntry> in Procedure <DMPostSave> Type mismatch. happens on each and every invoice…