How To Fix SIW126 - Data element &1: Remove ref. type if type category is Direct Type Entry

SAP Error Message - Details

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 126

• Message text: Data element &1: Remove ref. type if type category is Direct Type Entry

What causes this issue?

The value for REFKIND is direct type entry but the REFTYPE field is
specified

System Response

The feasibility checks for data element &v1& contain errors that prevent
its generation.

How to fix this error?

Correct the definition of data element with Object ID &v1& in your
configuration class.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIW126 - Data element &1: Remove ref. type if type category is Direct Type Entry ?

  The SAP error message SIW126 indicates an issue related to the data element in the context of the ABAP Dictionary. Specifically, it suggests that there is a reference type defined for a data element that is categorized as a "Direct Type Entry." This situation typically arises when you are trying to define a data element that should not have a reference type associated with it.
  Cause:
  The error occurs when:
  
  A data element is defined with a reference type (like a domain or another data element) while it is categorized as a "Direct Type Entry."
  The system expects that a direct type entry should not have any reference type associated with it, leading to a conflict.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Data Element Definition:
  
  Go to the ABAP Dictionary (transaction SE11).
  Enter the name of the data element that is causing the error and display its definition.
  
  
  
  Review the Type Category:
  
  Check the "Type Category" of the data element. If it is set to "Direct Type Entry," you need to ensure that there is no reference type defined.
  
  
  
  Remove the Reference Type:
  
  If a reference type is defined, you should remove it. This can typically be done by:
  
  Deleting the reference type field in the data element definition.
  Ensuring that the data element is defined correctly as a direct type without any references.
  
  
  
  
  
  Save and Activate:
  
  After making the necessary changes, save the data element and activate it.
  
  
  
  Test the Changes:
  
  After activation, test the changes in the relevant program or transaction to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Direct Type Entry: This refers to data types that are defined directly in the ABAP Dictionary without any reference to other types. Examples include simple types like CHAR, NUMC, etc.
  Reference Types: These are types that refer to other data elements or domains. They are used to ensure consistency and reusability across the system.
  ABAP Dictionary (SE11): This is the transaction code used to access the ABAP Dictionary, where you can create and manage data elements, domains, tables, and other data structures.
  
  If you continue to experience issues after following these steps, consider consulting with a colleague or an SAP expert who can provide further assistance based on the specific context of your SAP environment.