How To Fix 5R055 - Check digit of number (last position) should be (&) !

SAP Error Message - Details

• Message type: E = Error

• Message class: 5R - HR-SG: Messages for HR Module SG, China, Hongkong and Taiwan

• Message number: 055

• Message text: Check digit of number (last position) should be (&) !

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5R055 - Check digit of number (last position) should be (&) ! ?

  The SAP error message 5R055, which states "Check digit of number (last position) should be (&)," typically occurs in the context of financial transactions or document processing where a check digit is used to validate the integrity of a number, such as an account number, invoice number, or other identifiers.
  Cause:
  The error arises when the check digit (the last digit of a number) does not match the expected value based on a predefined algorithm. This can happen due to:
  
  Data Entry Errors: Manual input mistakes when entering numbers.
  Data Migration Issues: Problems during data transfer or migration from one system to another.
  Incorrect Configuration: Misconfiguration in the system that defines how check digits are calculated.
  Corrupted Data: Data corruption in the database or during transmission.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Verify the Input: Check the number you entered for any typographical errors. Ensure that all digits are correct.
  Recalculate the Check Digit: If you have access to the algorithm used for calculating the check digit, recalculate it based on the preceding digits of the number.
  Consult Documentation: Refer to SAP documentation or configuration settings to understand how the check digit is calculated for the specific field you are working with.
  Data Correction: If the number is part of a larger dataset, consider running a data validation or correction process to identify and fix any discrepancies.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  Related Information:
  
  Check Digit Algorithms: Familiarize yourself with common check digit algorithms such as Luhn, Modulus 10, or others that may be relevant to your specific use case.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Depending on where the error occurs, you may want to look into specific transaction codes (like FB60 for invoice entry) to see if there are any additional settings or validations that need to be adjusted.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.