How To Fix WE242 - EAN has an incorrect check digit; the following would be correct: &

SAP Error Message - Details

• Message type: E = Error

• Message class: WE - Messages for EAN Customizing and for EAN management in MM_BD

• Message number: 242

• Message text: EAN has an incorrect check digit; the following would be correct: &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WE242 - EAN has an incorrect check digit; the following would be correct: & ?

  Certainly! Here's a detailed explanation for the SAP error message WE242: "EAN has an incorrect check digit; the following would be correct: &":
  
  Error Message:
  WE242 - EAN has an incorrect check digit; the following would be correct: &
  
  Cause:
  
  The error occurs during IDoc processing (typically inbound or outbound) when an EAN (European Article Number) or GTIN (Global Trade Item Number) is validated.
  The EAN number provided in the IDoc segment has an incorrect check digit.
  The system calculates the correct check digit based on the EAN number and finds a mismatch with the one provided.
  This validation is done to ensure data integrity and correctness of barcode numbers.
  
  
  Background on EAN and Check Digit:
  
  EAN/GTIN codes are standardized barcodes used globally to identify products.
  The last digit of an EAN/GTIN is a check digit, calculated using a specific algorithm (modulus 10) on the preceding digits.
  This check digit helps detect errors in scanning or manual entry.
  
  
  Solution:
  
  
  Verify the EAN Number:
  
  Check the EAN number in the IDoc or master data.
  Confirm if the check digit is correct by recalculating it manually or using an online EAN check digit calculator.
  
  
  
  Correct the EAN Number:
  
  If the check digit is wrong, correct it in the source system or master data.
  Update the EAN number with the correct check digit as suggested by the error message (the system usually shows the correct check digit in the message).
  
  
  
  Adjust Data Entry or Interfaces:
  
  If the EAN is coming from an external system or interface, ensure that the sending system sends the correct EAN with the proper check digit.
  Implement validation checks in the source system to prevent incorrect EANs from being sent.
  
  
  
  Reprocess the IDoc:
  
  After correction, reprocess the IDoc to ensure successful processing.
  
  
  
  
  Additional Information:
  
  
  Where does this happen?
  
  Commonly during inbound IDoc processing for material master data (e.g., MATMAS IDocs) or sales documents where EANs are involved.
  Also during outbound IDocs if the system tries to send incorrect EANs.
  
  
  
  SAP Notes and Documentation:
  
  SAP Note 0000000 (example) may provide additional details on EAN validation.
  Refer to SAP Help on EAN/GTIN validation and IDoc processing.
  
  
  
  Customizing:
  
  In some cases, the EAN validation can be controlled or customized via user exits or BAdIs if the standard validation is too strict or needs adjustment.
  
  
  
  Check Digit Calculation:
  
  The check digit is calculated using the following method:
  
  Sum all digits in odd positions (from right, excluding the check digit).
  Sum all digits in even positions and multiply by 3.
  Add both sums.
  The check digit is the number that must be added to this total to reach the next multiple of 10.
  
  
  
  
  
  
  Summary:
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  EAN number in IDoc has an incorrect check digit.
  
  
  Effect
  IDoc processing fails or throws error WE242.
  
  
  Solution
  Correct the EAN check digit in the source data or IDoc, then reprocess.
  
  
  Additional
  Validate EANs before sending, use SAP notes for guidance, consider customizing validation.
  
  
  
  
  If you need help with a specific IDoc segment or transaction, please provide more details!