How To Fix VL840 - External identification number has more than 16 digits

SAP Error Message - Details

• Message type: E = Error

• Message class: VL -

• Message number: 840

• Message text: External identification number has more than 16 digits

What causes this issue?

The <DS:DE.LIFEX>external identification number</> contains more than
16 characters. The reference number is limited to 16 characters in
invoice verification and material documents.

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?

Reduce the external identification number to a maximum of 16 characters
if you want to guarantee that it will be referenced in invoice
verification.

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 VL840 - External identification number has more than 16 digits ?

  The SAP error message VL840, which states "External identification number has more than 16 digits," typically occurs when you are trying to enter an external identification number (such as a tracking number or reference number) that exceeds the maximum allowed length of 16 digits. This restriction is often in place to ensure compatibility with various systems and standards.
  Cause:
  
  Input Error: The most common cause is that the user is entering an identification number that is longer than the allowed limit of 16 digits.
  Data Migration Issues: If data is being migrated from another system, it may contain identification numbers that exceed the 16-digit limit.
  System Configuration: In some cases, the system may be configured to accept only a certain format or length for external identification numbers.
  
  Solution:
  
  Check Input: Verify the external identification number you are trying to enter. Ensure it does not exceed 16 digits. If it does, truncate or modify the number to fit within the limit.
  Data Validation: Implement validation checks in your data entry processes to prevent users from entering numbers longer than 16 digits.
  Data Migration Review: If this error arises during data migration, review the source data to ensure that all external identification numbers conform to the 16-digit limit before importing them into SAP.
  Consult Documentation: Review SAP documentation or configuration settings related to external identification numbers to understand any specific requirements or limitations.
  Custom Development: If your business process requires the use of longer identification numbers, consider discussing with your SAP development team about potential custom solutions or enhancements that could accommodate longer numbers.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. SAP frequently releases notes that address known issues or provide guidance on best practices.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like VL01N for creating outbound deliveries) where this error might occur.
  User Training: Provide training for users on the correct format and limitations of external identification numbers to minimize the occurrence of this error in the future.
  
  By addressing the input and ensuring compliance with the system's limitations, you can resolve the VL840 error effectively.