Invalid period returned from HMRC
Symptom: Processing stops in a test environment. Invalid Period message is returned.
Cause: HMRC only allows test data from 2017 to be submitted.
Solution: Correct the year in the XML and retry..
Symptom: Processing stops in a test environment. Invalid Period message is returned.
Cause: HMRC only allows test data from 2017 to be submitted.
Solution: Correct the year in the XML and retry..