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Avalara Help Center

Why am I getting the error "Object reference not set to an instance of an object" For all transactions in one state?

Overview

Every time you calculate tax in a particular state you get the error, "Object reference not set to an instance of an object."

Environment

AvaTax

Resolution

  • Occasionally states update or change jurisdictions around. This can cause the specific jurisdiction override to make all transactions in that state error out.  
  • Review your jurisdiction overrides to see if they need to be updated or expired.