Select at least one declaration type

What causes this issue?

You tried to define an exclusion or inclusion indicator without
selecting at least one control of the four possible declaration types:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

INTRASTAT
EXTRASTAT / VAR
KOBRA
SED / AERP

System Response

The system does not allow this entry.

How to fix this error?

Correct your entry and select at least one declaration type.

Error message extract from SAP system. Copyright SAP SE.