How To Fix /ISDFPS/MM586 - A HU cannot be created from the EPA, because a HU already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/MM -

• Message number: 586

• Message text: A HU cannot be created from the EPA, because a HU already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/MM586 - A HU cannot be created from the EPA, because a HU already exists ?

  The SAP error message /ISDFPS/MM586 indicates that a Handling Unit (HU) cannot be created from the Equipment Pool Area (EPA) because a Handling Unit with the same identification already exists. This error typically arises in scenarios involving warehouse management or logistics processes where handling units are used to manage inventory.
  Cause:
  
  
  Duplicate Handling Unit: The primary cause of this error is that there is already an existing Handling Unit in the system that matches the criteria for the new HU you are trying to create. This could be due to:
  
  An attempt to create a new HU with the same identification as an existing one.
  A previous process that did not complete successfully, leaving the HU in a state that prevents new HUs from being created.
  
  
  
  Incorrect Configuration: There may be configuration settings in the system that are causing conflicts when trying to create new HUs.
  
  
  Data Integrity Issues: There could be issues with the data in the system, such as inconsistencies in the handling unit master data.
  
  
  Solution:
  
  
  Check Existing Handling Units: 
  
  Use transaction codes like HU02 (Display Handling Unit) to check if a Handling Unit with the same identification already exists.
  If it does exist, determine if it is still valid or if it can be deleted or modified.
  
  
  
  Delete or Modify Existing HU: 
  
  If the existing HU is no longer needed, you can delete it using the appropriate transaction (e.g., HU02 to display and then delete).
  If the HU is still needed, consider modifying the new HU's identification to avoid the conflict.
  
  
  
  Review Configuration: 
  
  Check the configuration settings related to Handling Units in the system to ensure they are set up correctly.
  Consult with your SAP Basis or configuration team if necessary.
  
  
  
  Data Consistency Check: 
  
  Run data consistency checks to ensure that there are no integrity issues in the handling unit master data.
  Use transaction SLG1 to check for any logs related to handling units that might provide more context on the issue.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to Handling Units and the specific error message for any additional insights or updates.
  
  
  
  Related Information:
  
  Handling Units (HUs): HUs are used in SAP to manage packaging and logistics processes. They can represent physical items, pallets, or containers.
  Equipment Pool Area (EPA): This is a specific area in the warehouse where equipment is stored and managed.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as HU02, HU03 (Change Handling Unit), and LT03 (Create Transfer Order) for managing HUs.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support or your internal SAP team for further assistance.