How To Fix DA171 - Row &1: Control structure '&2 &3' was not completed

SAP Error Message - Details

• Message type: E = Error

• Message class: DA - Dictionary: Compare, distribution, timer, instantiation

• Message number: 171

• Message text: Row &1: Control structure '&2 &3' was not completed

What causes this issue?

The control structure was not closed with '}'.

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?

Close the control structure correctly.

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 DA171 - Row &1: Control structure '&2 &3' was not completed ?

  The SAP error message DA171 indicates that there is an issue with a control structure in a data processing context, typically related to data extraction or transformation processes. The message specifies that a particular control structure (identified by the parameters &2 and &3) was not completed for the row identified by &1.
  Cause:
  
  Incomplete Control Structure: The control structure (like a loop or conditional statement) was not properly closed or completed. This can happen if there are missing end statements or if the logic is not correctly defined.
  Data Integrity Issues: There may be issues with the data being processed, such as missing values or incorrect formats that prevent the control structure from executing as expected.
  Configuration Errors: Incorrect configuration settings in the data processing or extraction setup can lead to this error.
  Program Logic Errors: There may be bugs or logical errors in the ABAP code or the data processing logic that lead to this situation.
  
  Solution:
  
  Check Control Structures: Review the ABAP code or the data processing logic to ensure that all control structures are properly defined and closed. Look for missing ENDLOOP, ENDIF, or similar statements.
  Validate Data: Ensure that the data being processed is complete and in the correct format. Check for any missing or null values that might be causing the control structure to fail.
  Review Configuration: If applicable, check the configuration settings related to the data extraction or processing to ensure they are set up correctly.
  Debugging: Use debugging tools in SAP to step through the code and identify where the control structure is failing. This can help pinpoint the exact location and cause of the issue.
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or program you are working with for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the error message DA171. SAP frequently updates their knowledge base with solutions to common problems.
  Transaction Codes: Depending on the context, you may need to look into specific transaction codes related to data processing, such as those used for data extraction (e.g., RSA3 for data extraction).
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and the solutions they implemented.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.