You may get the rejection error CMN.ATO.GEN.EM0001 from the ATO when trying to lodge tax returns using PLS in Accountants Enterprise or Accountants Office
Summary:An unexpected error has occurred, try again. If problem persists, contact the ATO.
This means that the ATO has identified an error, but is not able to provide the correct rejection message. Re-lodging the tax return will usually trigger a specific rejection message.
If you don't receive any specific error message, contact the ATO Intermediaries and Lodgments service on 13 72 86. For more information refer to Tax agent phone services (Fast Key Code) guide.