How To Fix J1B_NFE078 - Manually inserted check digit (&1) differs from calculated digit (&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: J1B_NFE - Message class for NF-e

• Message number: 078

• Message text: Manually inserted check digit (&1) differs from calculated digit (&2)

What causes this issue?

The inserted check digit and the check digit calculated by the system
are different.

System Response

Posting a document with the inserted random number and check digit is
not allowed.

How to fix this error?

Check if the inserted check digit or random numbers are wrong.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message J1B_NFE078 - Manually inserted check digit (&1) differs from calculated digit (&2) ?

  The SAP error message J1B_NFE078 indicates that there is a discrepancy between a manually entered check digit and the check digit that SAP has calculated based on the other digits of the number. This error typically occurs in the context of Brazilian tax compliance, particularly when dealing with Nota Fiscal Eletrônica (NF-e) documents.
  Cause:
  The error arises when the check digit (the last digit of a number, often used for validation) that you have manually entered does not match the check digit that SAP calculates based on the preceding digits. This can happen due to:
  
  Manual Entry Error: The user may have incorrectly entered the check digit.
  Data Corruption: The data being processed may have been corrupted or altered.
  Incorrect Calculation Logic: There may be an issue with the logic used to calculate the check digit in the system.
  Outdated Configuration: The configuration settings for the NF-e may not be up to date, leading to discrepancies in how check digits are calculated.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Verify Manual Entry: Check the manually entered check digit against the calculated check digit. Ensure that the correct digit is being used.
  Recalculate Check Digit: If you have access to the logic or formula used to calculate the check digit, you can manually recalculate it to confirm the correct value.
  Check Configuration: Ensure that the configuration settings for NF-e in your SAP system are up to date and correctly set up. This includes checking any relevant customizing settings.
  Consult Documentation: Refer to SAP documentation or notes related to NF-e and check digit calculations for any specific guidance or updates.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance. They may have additional insights or patches that can resolve the issue.
  
  Related Information:
  
  SAP Notes: Check for any SAP Notes related to J1B_NFE078 or NF-e processing that may provide additional context or solutions.
  NF-e Documentation: Review the Brazilian tax authority's guidelines on NF-e to ensure compliance with the latest requirements.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.