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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIW124 - Data element &1: Remove data type if the type category is Domain ?

  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 associated with the data element. You can do this by looking at the attributes of the data element in the ABAP Dictionary.
  
  
  Remove Incompatible Data Type: If the data type assigned to the data element is not compatible with the domain (for example, if the domain expects a certain type but you have assigned a different one), you need to either:
  
  Change the data type of the data element to one that is compatible with the domain.
  If the data type is not needed, you can remove it from the data element definition.
  
  
  
  Adjust Domain Attributes: If necessary, you can also modify the domain to allow for the desired data type, but this should be done with caution as it may affect other data elements that use the same domain.
  
  
  Activate Changes: After making the necessary changes, make sure to activate the data element and the domain.
  
  
  Related Information:
  
  Data Elements and Domains: In SAP, a data element is a semantic definition of a field, while a domain defines the technical attributes. Each data element is linked to a domain, which specifies the data type and length.
  Type Categories: SAP has different type categories, including "Domain," "Data Element," and "Structure." Understanding these categories is crucial for proper data modeling.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (ABAP Dictionary), SE80 (Object Navigator), and SE37 (Function Module) for further exploration and debugging.
  
  By following these steps, you should be able to resolve the SIW124 error and ensure that your data elements and domains are correctly defined in your SAP system.