How To Fix 3Q018 - Wrong check digit, would be replaced with space.

SAP Error Message - Details

• Message type: E = Error

• Message class: 3Q - HR : Messages for Hong Kong

• Message number: 018

• Message text: Wrong check digit, would be replaced with space.

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 3Q018 - Wrong check digit, would be replaced with space. ?

  The SAP error message "3Q018 Wrong check digit, would be replaced with space" typically occurs in the context of data entry or processing where a check digit is expected but is found to be incorrect. This error is often related to fields that require a specific format or validation, such as customer numbers, material numbers, or other identifiers that include a check digit as part of their structure.
  Cause:
  
  Incorrect Check Digit: The check digit calculated from the preceding digits does not match the check digit provided in the input.
  Data Entry Error: There may have been a typographical error during data entry, leading to an incorrect check digit.
  Data Format Issues: The data being processed may not conform to the expected format, leading to validation failures.
  System Configuration: There may be issues with the configuration of the system that affect how check digits are calculated or validated.
  
  Solution:
  
  Verify Input Data: Check the input data for any typographical errors. Ensure that the check digit is entered correctly.
  Recalculate Check Digit: If you have access to the algorithm used to calculate the check digit, recalculate it based on the preceding digits to ensure it matches the expected value.
  Consult Documentation: Review the relevant SAP documentation or configuration settings to understand how check digits are defined and validated in your specific context.
  Data Correction: If the data is incorrect, correct it in the source system or input form before reprocessing.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Check Digit Algorithms: Familiarize yourself with common check digit algorithms (e.g., Luhn algorithm, Modulus 10) that may be used in your SAP system.
  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 need to look into specific transaction codes (e.g., MM01 for material master, XD01 for customer master) to troubleshoot further.
  User Exits or BAdIs: If custom logic is implemented in your SAP system, check for any user exits or Business Add-Ins (BAdIs) that might affect check digit validation.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.