How To Fix /SCWM/UI_PACKING183 - A collective HU cannot have a storage process with an unloading step

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/UI_PACKING -

• Message number: 183

• Message text: A collective HU cannot have a storage process with an unloading step

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/UI_PACKING183 - A collective HU cannot have a storage process with an unloading step ?

  The SAP error message /SCWM/UI_PACKING183 indicates that there is an issue with handling a collective Handling Unit (HU) in the context of a storage process that includes an unloading step. This error typically arises in the Extended Warehouse Management (EWM) module when trying to perform operations that are not compatible with the current state or configuration of the Handling Unit.
  Cause:
  
  
  Collective Handling Unit: The error suggests that the system is trying to process a collective Handling Unit, which is not allowed to have an unloading step in the current context. Collective HUs are designed to group multiple items together, and certain operations may not be valid for them.
  
  
  Storage Process Configuration: The storage process may be incorrectly configured to allow unloading steps for collective HUs, which is not supported by the system.
  
  
  Incorrect Process Flow: The process flow being executed may not be appropriate for the type of Handling Unit being used. For example, if the system expects a single HU but receives a collective one, it can lead to this error.
  
  
  Solution:
  
  
  Check Handling Unit Type: Verify the type of Handling Unit you are working with. If it is a collective HU, ensure that the operations you are trying to perform are valid for that type.
  
  
  Review Storage Process Configuration: Check the configuration of the storage process in EWM. Ensure that the process does not include unloading steps for collective HUs. You may need to adjust the configuration to align with the intended operations.
  
  
  Use Individual HUs: If the operation requires unloading, consider using individual Handling Units instead of a collective one. This may involve splitting the collective HU into its individual components before proceeding with the unloading step.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling collective HUs and the associated storage processes.
  
  
  Error Handling in Custom Code: If you have custom code or enhancements in your EWM system, review them to ensure they are not causing conflicts with the standard processing of collective HUs.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling collective HUs.
  EWM Configuration Guides: Review the EWM configuration guides for best practices on managing Handling Units and storage processes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to resolve the error and ensure that your warehouse operations proceed smoothly.