To fix this error:
Go to E-invoicing, Configuration, Company.
Delete the State.
Key in again.
Click Save.
Transmit the einvoice again.
'{"uuid":null,"invoiceCodeNumber":"96000012","error":{"code":"2","message":"Validation Error","target":"96000012","propertyPath":null,"details":[{"code":"CF342","message":"State is required } Unable to validate.
To fix this error:
Go to E-invoicing, Configuration, Company.
Delete the State.
Key in again.
Click Save.
Transmit the einvoice again.