How To Fix SGT_01304 - You have already set values for the Field-Based field

SAP Error Message - Details

• Message type: E = Error

• Message class: SGT_01 - SGT_01

• Message number: 304

• Message text: You have already set values for the Field-Based field

What causes this issue?

The default segmentation value can be either field-based or value-based.
You cannot define values for both <ZK>Field-Based </>or <ZK>Value-Based
</>fields.

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?

To set the value on the value-based segmentation level, clear the values
entered in the <ZK>Field-Based</> field.

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 SGT_01304 - You have already set values for the Field-Based field ?

  The SAP error message SGT_01304, which states "You have already set values for the Field-Based field," typically occurs in the context of SAP's Global Trade Services (GTS) or when dealing with field-based data entry in various SAP modules. This error indicates that there is an attempt to set values for a field that has already been populated, which is not allowed in the current context.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the user is trying to enter values into a field that has already been filled. This can happen if the system is designed to prevent overwriting existing values to maintain data integrity.
  Configuration Issues: There may be configuration settings in the GTS or related modules that restrict multiple entries for certain fields.
  User Interface Behavior: Sometimes, the user interface may not properly reflect the current state of the data, leading users to believe they can enter values when they cannot.
  
  Solution:
  
  Check Existing Values: Review the field in question to see if it already contains values. If it does, you may need to clear the existing values before entering new ones, if that is permissible.
  Consult Documentation: Refer to the SAP documentation or help files related to the specific module you are working with to understand the rules governing field entries.
  Configuration Review: If you have access, check the configuration settings in the GTS or relevant module to see if there are restrictions on the field that can be adjusted.
  User Training: Ensure that users are trained on the correct procedures for entering data into the system to avoid this error in the future.
  Contact Support: If the issue persists and you cannot determine the cause, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with the transaction codes related to the module you are working in, as they may provide additional insights or tools for troubleshooting.
  Field Properties: Understand the properties of the field in question, including whether it is mandatory, optional, or has specific validation rules.
  
  By following these steps, you should be able to resolve the SGT_01304 error and understand the underlying issues that caused it.