How To Fix UCMI038 - Doc.type &1: Document field "&2" may not be hidden

SAP Error Message - Details

• Message type: E = Error

• Message class: UCMI - Messages for Breakdown Category, Item, Document Type, ...

• Message number: 038

• Message text: Doc.type &1: Document field "&2" may not be hidden

What causes this issue?

In document type customizing on the <ZK>Document Field Options</> tab,
you can opt to have document fields hidden. If you do this, note that
the document fields with the <ZK>Required Entry</> or <ZK>Optional Entry
</>option may not be hidden.
However, the document field "&V2&" in document type &V1& is hidden even
though <ZK>Required Entry</> or <ZK>Optional Entry</> is selected.

System Response

Processing is terminated.

How to fix this error?

Either do not hide document field "&V2&" in document type &V1&, or
select a different entry option.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.