How To Fix LF798 - Material &1 does not belong to handling unit

SAP Error Message - Details

• Message type: E = Error

• Message class: LF - Mobile Computing in Warehouse Logistics

• Message number: 798

• Message text: Material &1 does not belong to handling unit

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LF798 - Material &1 does not belong to handling unit ?

  The SAP error message LF798, which states "Material &1 does not belong to handling unit," typically occurs in the context of handling unit management in SAP. This error indicates that the material you are trying to associate with a handling unit (HU) is not part of that handling unit's contents.
  Cause:
  
  Incorrect Material Assignment: The material you are trying to use is not included in the handling unit. This can happen if the handling unit was created with a different material or if the material has been changed or deleted.
  Handling Unit Configuration: The handling unit may not be configured to include the specific material type or batch.
  Data Inconsistencies: There may be inconsistencies in the data, such as incorrect material master data or handling unit master data.
  Incorrect Handling Unit Status: The handling unit may be in a status that does not allow for the addition of new materials.
  
  Solution:
  
  Check Handling Unit Contents: Verify the contents of the handling unit to ensure that the material you are trying to associate is indeed part of it. You can do this by using transaction code HU02 (Display Handling Unit) to view the details of the handling unit.
  Verify Material Master Data: Ensure that the material master data for the material in question is correct and that it is set up to be used with handling units.
  Recreate Handling Unit: If the handling unit is incorrect, consider recreating it with the correct materials.
  Check Handling Unit Status: Ensure that the handling unit is in a status that allows for modifications. If it is in a locked or completed status, you may need to change its status or create a new handling unit.
  Consult Documentation: Review SAP documentation or help resources for handling units to ensure that you are following the correct procedures.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  HU02: Display Handling Unit
  HU01: Create Handling Unit
  HU03: Change Handling Unit
  
  
  SAP Notes: Check for any SAP Notes related to handling units and error LF798 for additional guidance or patches.
  User Authorization: Ensure that you have the necessary authorizations to perform actions related to handling units and materials.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.