How To Fix HUGENERAL103 - Automatic packing not possible - Error in customer function

SAP Error Message - Details

• Message type: E = Error

• Message class: HUGENERAL - Handling Units - Packing

• Message number: 103

• Message text: Automatic packing not possible - Error in customer function

What causes this issue?

The "et_verko" and "et_verpo" default tables in the user exit cannot be
converted into handling units.

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?

Inform your system administrator about the error in the user exit.

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 HUGENERAL103 - Automatic packing not possible - Error in customer function ?

  The SAP error message HUGENERAL103 indicates that there is an issue with the automatic packing process in the SAP system, specifically due to an error in a customer function. This error typically arises during the packing process in logistics, where the system attempts to automatically pack items into handling units but encounters a problem.
  Causes:
  
  Custom Code Issues: The error often stems from custom ABAP code or enhancements that have been implemented in the packing process. If there is a bug or an unhandled exception in the custom code, it can lead to this error.
  Configuration Issues: Incorrect configuration settings in the packing process or handling unit management can also trigger this error.
  Data Issues: Inconsistent or incomplete data related to the materials, handling units, or the delivery can cause the automatic packing to fail.
  User Exits or BAdIs: If there are user exits or Business Add-Ins (BAdIs) that modify the packing logic, they may not be functioning correctly.
  
  Solutions:
  
  Check Custom Code: Review any custom ABAP code related to the packing process. Look for any exceptions or errors that might be raised during execution. Debugging the code can help identify the exact point of failure.
  Review Configuration: Ensure that the configuration settings for packing and handling units are correctly set up. This includes checking the packing instructions, material master data, and any relevant settings in the logistics execution module.
  Data Validation: Validate the data being processed during the packing. Ensure that all necessary information is complete and correct, including material availability, handling unit types, and any other relevant parameters.
  Check User Exits/BAdIs: If there are any user exits or BAdIs implemented for packing, review their logic to ensure they are functioning as intended. You may need to temporarily disable them to see if the error persists.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  Consult SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any relevant logs or screenshots.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like VL02N (Change Outbound Delivery) or HU02 (Change Handling Unit) to investigate the specific delivery or handling unit causing the issue.
  Debugging: Use the debugger in SAP to step through the packing process and identify where the error occurs.
  Logs: Check the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the failure.
  
  By following these steps, you should be able to identify the root cause of the HUGENERAL103 error and implement a solution to resolve it.