How To Fix HU_VV0C007 - Number assignment must be unique - Random number assignment not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: HU_VV0C - Messages during maintenance of HU Customizing

• Message number: 007

• Message text: Number assignment must be unique - Random number assignment not possible

What causes this issue?

It has been defined at client level that the external number assignment
must be unique. Unique number assignment is ensured through the
assignment of an SSCC18 code (serial shipping container code). At
client level, number assignment is also unique because it is based on a
number range interval.

How to fix this error?

Choose a different number assignment.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HU_VV0C007 - Number assignment must be unique - Random number assignment not possible ?

  The SAP error message HU_VV0C007 indicates that there is an issue with the unique assignment of handling unit (HU) numbers. This error typically arises when the system is trying to assign a random number to a handling unit, but it finds that the number is not unique, which is a requirement for handling units in SAP.
  Cause:
  
  Duplicate Handling Unit Numbers: The most common cause of this error is that the system has detected that the handling unit number it is trying to assign already exists in the database.
  Number Range Issues: The number range configuration for handling units may not be set up correctly, leading to conflicts in number assignments.
  Custom Logic: If there are custom developments or enhancements in the system that affect handling unit creation, they might be causing conflicts in number assignment.
  
  Solution:
  
  Check Existing Handling Units: Verify if the handling unit number that the system is trying to assign already exists. You can do this by checking the handling unit master data in the system.
  Adjust Number Ranges: Ensure that the number range for handling units is correctly configured. You can do this by:
  
  Navigating to the transaction code SNRO (Number Range Objects).
  Finding the object related to handling units (usually HU).
  Checking the number range intervals to ensure they are set up correctly and that there are no overlaps.
  
  
  Use Manual Number Assignment: If random number assignment is not working, consider using manual number assignment for handling units, if applicable.
  Check Custom Code: If there are any custom developments related to handling units, review the code to ensure it does not interfere with the standard number assignment logic.
  Consult SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  Handling Units (HUs): In SAP, handling units are used to manage and track physical items in logistics. Each handling unit must have a unique identifier.
  Transaction Codes: Familiarize yourself with transaction codes related to handling units, such as HU02 (Change Handling Unit) and HU03 (Display Handling Unit).
  SAP Documentation: Refer to SAP Help documentation for more details on handling units and number assignment processes.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation or to reach out to SAP support for assistance.