How To Fix 5V018 - The identity card number is incorrect (modulo 97 test) !

SAP Error Message - Details

• Message type: E = Error

• Message class: 5V - HR: Messages for Belgium

• Message number: 018

• Message text: The identity card number is incorrect (modulo 97 test) !

What causes this issue?

The ID card number is incorrect. The modulo 97 is a check against the
composition of the number and an error has been detected for this
number.

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?

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 5V018 - The identity card number is incorrect (modulo 97 test) ! ?

  The SAP error message 5V018, which states "The identity card number is incorrect (modulo 97 test)!", typically occurs when the system is validating an identity card number (such as a national ID, tax ID, or similar) and finds that it does not pass the modulo 97 check. This check is a common validation method used to ensure that the number is valid according to specific rules.
  
  Cause:
  
  Incorrect Format: The identity card number may not be in the correct format or may contain invalid characters.
  Invalid Number: The number itself may be incorrect or does not correspond to a valid identity card.
  Modulo 97 Check Failure: The number fails the modulo 97 validation, which means that the number does not meet the mathematical criteria set for valid identity card numbers.
  
  
  Solution:
  
  Verify the Number: Check the identity card number for any typographical errors. Ensure that it is entered correctly without any extra spaces or invalid characters.
  Check