How To Fix 51123 - KID number & does not pass MOD10 or MOD11 check

SAP Error Message - Details

• Message type: E = Error

• Message class: 51 - HR: Messages for Norway

• Message number: 123

• Message text: KID number & does not pass MOD10 or MOD11 check

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 51123 - KID number & does not pass MOD10 or MOD11 check ?

  The SAP error message 51123 indicates that a KID (Kundenidentifikationsnummer or Customer Identification Number) does not pass the MOD10 or MOD11 check. This error typically arises in the context of financial transactions or customer data processing where a valid identification number is required.
  
  Cause:
  The MOD10 and MOD11 checks are algorithms used to validate identification numbers. They ensure that the number follows a specific format and is mathematically valid. The error occurs when:
  
  The KID number is incorrectly formatted.
  The KID number contains invalid characters (e.g., letters instead of digits).
  The KID number does not conform to the expected checksum rules defined by MOD10 or MOD11.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Verify the KID Number: Check the KID number for any typographical errors. Ensure that it consists only of digits and is of the correct length.
  
  
  Perform MOD10/MOD11 Check: Manually or programmatically perform the MOD10 or MOD11 check on the KID number to