How To Fix /SCWM/L3770 - Creation of nested handling unit is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/L3 -

• Message number: 770

• Message text: Creation of nested handling unit is not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/L3770 - Creation of nested handling unit is not allowed ?

  The SAP error message /SCWM/L3770 Creation of nested handling unit is not allowed typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is an attempt to create a handling unit (HU) that is nested within another handling unit. In SAP EWM, handling units are used to manage and track the physical packaging of goods, and nesting is not allowed in certain scenarios.
  Cause:
  
  Nesting Restrictions: The system does not allow the creation of nested handling units due to configuration settings or business rules. This means that a handling unit cannot contain another handling unit.
  Incorrect Configuration: The configuration of handling units in the system may not allow for nested structures, which can lead to this error.
  Process Flow Issues: The process being executed may not support nested handling units, such as during goods receipt, goods issue, or during certain warehouse processes.
  
  Solution:
  
  Review Handling Unit Structure: Ensure that you are not trying to create a handling unit that contains another handling unit. If you need to manage multiple handling units, consider creating them separately.
  Check Configuration: Review the configuration settings for handling units in the SAP EWM system. Ensure that the settings align with your business processes and that nesting is either allowed or disallowed as per your requirements.
  Adjust Process Flow: If the process you are executing does not support nested handling units, adjust your process to comply with the system's requirements. This may involve changing how you are packing or handling goods.
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on handling units and their configurations. This can provide insights into how to properly manage handling units in your specific scenario.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling units.
  Transaction Codes: Familiarize yourself with transaction codes related to handling units in EWM, such as /SCWM/HU for handling unit management.
  User Exits and BAdIs: If custom logic is implemented in your system, check for any user exits or BAdIs that may affect handling unit creation and nesting.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP EWM for further assistance.