How To Fix TB838 - Field restrictions combined with background comparison not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 838

• Message text: Field restrictions combined with background comparison not supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TB838 - Field restrictions combined with background comparison not supported ?

  The SAP error message TB838, which states "Field restrictions combined with background comparison not supported," typically occurs in the context of using background processing in SAP, particularly when dealing with selection screens or reports that involve field restrictions.
  Cause:
  This error arises when there is an attempt to use field restrictions (like value ranges or specific conditions) in conjunction with background processing. The system does not support this combination because the background processing mechanism cannot handle the complexity of the field restrictions applied to the selection criteria.
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Remove Field Restrictions: If possible, modify the selection criteria to eliminate the field restrictions when running the report in the background. This may involve changing the way the report is executed or adjusting the parameters being passed.
  
  
  Use Foreground Processing: If the report or transaction can be run in the foreground, consider executing it interactively instead of in the background. This will allow the use of field restrictions without encountering the error.
  
  
  Check Program Logic: Review the ABAP code or the logic of the report to ensure that it is not inadvertently combining field restrictions with background processing. You may need to adjust the logic to separate these two functionalities.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or report you are working with. There may be specific guidelines or updates that address this issue.
  
  
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. They may provide patches or additional guidance based on the specific version of SAP you are using.
  
  
  Related Information:
  
  Background Jobs: Understand how background jobs work in SAP and the limitations associated with them.
  Field Restrictions: Familiarize yourself with how field restrictions are defined and used in selection screens and reports.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional context.
  
  By following these steps, you should be able to address the TB838 error effectively.