How To Fix 5AT128 - Attribute &1 does not permit default values

SAP Error Message - Details

• Message type: E = Error

• Message class: 5AT - General Attribute Maintenance

• Message number: 128

• Message text: Attribute &1 does not permit default values

What causes this issue?

The &SYST-MSGV1& attribute does not allow values to be designated a
<DS:DE.OM_ATTRDEF>Default Value</>. You tried to define a value for
this attribute as a default value.

System Response

The system cannot save such a combination.

How to fix this error?

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

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 5AT128 - Attribute &1 does not permit default values ?

  The SAP error message 5AT128, which states "Attribute &1 does not permit default values," typically occurs in the context of SAP Master Data Management or when working with Business Objects, particularly in the context of data modeling or attribute management.
  Cause:
  This error indicates that you are trying to set a default value for an attribute that is not configured to allow default values. This can happen for several reasons:
  
  Attribute Configuration: The attribute in question may be defined in a way that does not allow default values. This could be due to the attribute's data type or its settings in the data model.
  Data Model Restrictions: The data model or the specific object type may have restrictions on which attributes can have default values.
  Business Rules: There may be business rules or logic that prevent certain attributes from having default values to ensure data integrity.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Check Attribute Settings: Review the configuration of the attribute in the data model. Ensure that it is set up to allow default values. This may involve checking the attribute's properties in the relevant transaction or configuration screen.
  Modify Data Model: If the attribute is not allowed to have a default value, consider whether it is necessary to change this setting. If it is essential for your business process, you may need to modify the data model to allow default values for that attribute.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the attribute in question. This can provide insights into why the attribute is restricted and how to properly configure it.
  Seek Help from SAP Support: If you are unable to resolve the issue through configuration changes, consider reaching out to SAP support for assistance. They can provide more detailed guidance based on your specific system setup.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Data Model Documentation: Review the documentation for the data model you are working with to understand the rules and configurations for attributes.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.