How To Fix UCFE234 - Predefined fixed structure &1 contains multiple values (aggregation)

SAP Error Message - Details

• Message type: E = Error

• Message class: UCFE - Messages for Data Entry Layouts

• Message number: 234

• Message text: Predefined fixed structure &1 contains multiple values (aggregation)

What causes this issue?

The cell has a predefined fixed subset with multiple characteristic
values. The cell is not ready for input because the system summarizes
these values in the cell.

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?

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 UCFE234 - Predefined fixed structure &1 contains multiple values (aggregation) ?

  The SAP error message UCFE234 indicates that there is an issue with a predefined fixed structure in your SAP system, specifically that it contains multiple values when only a single value is expected. This typically occurs in the context of data aggregation or when working with data structures that are not properly defined or populated.
  Cause:
  
  Multiple Values in a Single Field: The error usually arises when a field that is expected to hold a single value is instead populated with multiple values. This can happen due to incorrect data entry, data extraction issues, or problems in the data transformation process.
  Aggregation Logic: If you are using aggregation functions in your queries or reports, the logic may be incorrectly set up, leading to multiple values being returned for a single aggregation point.
  Configuration Issues: There may be issues in the configuration of the data model or the way the fixed structure is defined in the system.
  
  Solution:
  
  Check Data Source: Review the data source that is feeding into the predefined fixed structure. Ensure that it is correctly configured to return a single value for the fields in question.
  Review Aggregation Logic: If you are using aggregation functions, verify that they are correctly set up to handle the data. Ensure that the aggregation is appropriate for the data being processed.
  Data Cleansing: If the issue is due to data quality, consider implementing data cleansing processes to ensure that only valid, single values are entered into the fields.
  Adjust Fixed Structure: If necessary, adjust the definition of the fixed structure to accommodate the data being processed. This may involve changing the data type or the way the structure is defined in the system.
  Debugging: Use debugging tools in SAP to trace the execution of the program or report that is generating the error. This can help identify where the multiple values are being introduced.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the documentation for the specific module or functionality you are working with to ensure that you are following best practices for data handling and aggregation.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.