How To Fix GS048 - Type for line & in set & is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: GS - Sets

• Message number: 048

• Message text: Type for line & in set & is not supported

What causes this issue?

You have tried to create a set with a type that is not supported.

System Response

The system rejects the set.

How to fix this error?

Inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GS048 - Type for line & in set & is not supported ?

  The SAP error message GS048 ("Type for line & in set & is not supported") typically occurs in the context of SAP's reporting and data processing functionalities, particularly when dealing with sets or groups of data. This error indicates that there is an issue with the data type of a specific line in a set that is not compatible with the expected data type.
  Cause:
  
  Data Type Mismatch: The most common cause of this error is that the data type of a line item in a set does not match the expected data type. For example, if a numeric field is expected but a character string is provided, this error may occur.
  Incorrect Configuration: The configuration of the set or the data structure may not be correctly defined, leading to unsupported types being included.
  Data Corruption: There may be corruption in the data or the set definition, causing the system to misinterpret the data types.
  Custom Code Issues: If there are custom programs or enhancements that manipulate sets, they may introduce unsupported data types.
  
  Solution:
  
  Check Data Types: Review the data types of the lines in the set. Ensure that all entries conform to the expected data types as defined in the set configuration.
  Review Set Configuration: Go to the configuration settings for the set and verify that all parameters and definitions are correctly set up. Make sure that the set is defined to accept the types of data you are trying to process.
  Data Validation: Validate the data being processed to ensure that it does not contain any unexpected or unsupported types. This may involve running checks or using transaction codes to analyze the data.
  Debugging: If the error occurs in a custom program, use debugging tools to trace the execution and identify where the unsupported type is being introduced.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the set and its expected data types.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate the data structures and types.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it involves complex configurations or custom developments.
  
  By following these steps, you should be able to identify the root cause of the GS048 error and implement a suitable solution.