How To Fix QG171 - Internal program error in string comparison

QG171 - Overview

• Message type: E = Error

• Message class: QG - QM: Evaluation of inspection results

• Message number: 171

• Message text: Internal program error in string comparison

What causes this issue?

An internal error has occurred in the program.

System Response

Processing was canceled.

How to fix this error?

Please contact 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 QG171 - Internal program error in string comparison ?

  The SAP error message QG171, which states "Internal program error in string comparison," typically indicates that there is an issue within the SAP system's internal processing, particularly related to string handling or comparison operations. This error can arise due to various reasons, including:
  Causes:
  
  Data Corruption: There may be corrupted data in the database that the program is trying to process.
  Custom Code Issues: If there are custom ABAP programs or enhancements, they might be incorrectly handling string comparisons.
  System Bugs: There could be a bug in the SAP system itself, especially if you are using an older version or have not applied the latest patches.
  
  Configuration Issues: Incorrect configuration settings in the system can lead to unexpected behavior during string operations.
  
  Solutions:
  
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and patches. SAP frequently releases notes that address known issues.
  Review Custom Code: If you have custom ABAP