How To Fix KX398 - Field &1 contains invalid field & (system type) in compound

KX398 - Overview

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 398

• Message text: Field &1 contains invalid field & (system type) in compound

What causes this issue?

This characteristic contains a field in its compound which is not an
allowed component of an object of this system type. The characteristic
is of system type 'SAP' (delivered with the system). The field in the
compound, however, references a data element or a domain of system
type 'CUS' (user-defined) and cannot be delivered.

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?

Remove the field from the compound.

Error message extract from SAP system. Copyright SAP SE.

KX398 - Details

• The SAP error message KX398 indicates that there is an issue with a field in a compound that is being processed. Specifically, the message states that a certain field contains an invalid entry, which is often related to the system type or the configuration of the compound.
  
  Cause:
  
  Invalid Field Reference: The field specified in the error message may not be valid for the context in which it is being used. This could be due to a typo, a field that has been removed or renamed, or a field that is not applicable for the specific system type.
  
  Configuration Issues: The configuration of the compound or the data model may not align with the expected structure. This can happen if there have been recent changes to the data model or if the compound is being used in a way that it was not designed for.
  Data Type Mismatch: The field may be expecting a