Internal error occurred checking container element &1

What causes this issue?

It was determined when checking a data container that the obligatory
element '&V1&' could not be checked for unknown reasons.
This is probably due to a Customizing error.
It is possible that the element to be checked exceeds a length of 4096
bytes.

System Response

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

How to fix this error?

Contact your system administrator specifying the error situation
concerned.

Error message extract from SAP system. Copyright SAP SE.