How To Fix SIW124 - Data element &1: Remove data type if the type category is Domain

SIW124 - Overview

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 124

• Message text: Data element &1: Remove data type if the type category is Domain

What causes this issue?

The value for REFKIND is <LB>Domain</> but the data type 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.
Decide whether you want to specify the data type directly or with an
existing domain.
If you are using a direct type entry initialize REFKIND and specify the
data type with the fields DATATYPE, LENGTH, and DECIMALS.
If you are using a domain, set REFKIND = <LB>D</> (Domain), set DOMNAME
= <LB>Name</> and remove the values for the DATATYPE, LENGTH and
DECIMALS fields.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

SIW124 - Details

• The SAP error message SIW124 indicates that there is an issue with the data element in your ABAP Dictionary. Specifically, it suggests that you are trying to use a data type that is not compatible with the type category "Domain." Here’s a breakdown of the cause, solution, and related information for this error:
  
  Cause:
  The error occurs when you attempt to define a data element with a data type that is not appropriate for a domain. In SAP, a domain defines the technical attributes of a field, such as its data type and length. If the data type you are trying to assign to a data element is not compatible with the domain's specifications, this error will be triggered.
  
  Solution:
  To resolve the SIW124 error, follow these steps:
  
  
  Check the Data Element: Go to the ABAP Dictionary (transaction SE11) and check the data element that is causing the error. 
  
  
  Review the Domain: Identify the domain