How To Fix AR161 - POR check digit is incorrect

AR161 - Overview

• Message type: E = Error

• Message class: AR - SSRV function module messages

• Message number: 161

• Message text: POR check digit is incorrect

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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AR161 - Details

• The SAP error message AR161, which states "POR check digit is incorrect," typically relates to issues with the Purchase Order Reference (POR) number in the context of financial transactions or document processing. This error usually occurs when the check digit of the POR does not match the expected value based on the algorithm used to calculate it.
  
  Cause:
  
  Incorrect POR Number: The most common cause is that the POR number entered is incorrect or has been mistyped.
  Check Digit Calculation Error: The check digit may not have been calculated correctly according to the specific algorithm used by SAP.
  Data Corruption: There may be data corruption in the database or during data transfer that affects the POR number.
  System 
  Configuration Issues: There could be configuration issues in the SAP system that affect how POR numbers are generated or validated.
  
  
  Solution:
  
  Verify the POR Number: Double-check the POR number for any typographical errors. Ensure that it is entered correctly.
  Recalculate