How To Fix U6077 - Dyn. backlog sets are not defined in the table backlog set definition

SAP Error Message - Details

• Message type: E = Error

• Message class: U6 - Message Class for BRE

• Message number: 077

• Message text: Dyn. backlog sets are not defined in the table backlog set definition

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message U6077 - Dyn. backlog sets are not defined in the table backlog set definition ?

  The SAP error message U6077, which states "Dyn. backlog sets are not defined in the table backlog set definition," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) module or similar planning applications. This error indicates that the system is trying to access dynamic backlog sets that have not been defined in the relevant configuration tables.
  Cause:
  
  Missing Configuration: The dynamic backlog sets that the system is trying to use have not been defined in the configuration tables. This could be due to a missing entry or an incomplete setup.
  Incorrect Settings: There may be incorrect settings in the planning area or the planning book that reference these dynamic backlog sets.
  Transport Issues: If the configuration was recently transported from another system, it might not have included all necessary definitions.
  
  Solution:
  
  
  Check Backlog Set Definitions:
  
  Go to the transaction code /SAPAPO/SDP1 (or the relevant transaction for your version) to check the backlog set definitions.
  Ensure that the dynamic backlog sets you are trying to use are defined correctly in the system.
  
  
  
  Define Missing Backlog Sets:
  
  If the backlog sets are missing, you will need to create them. This can be done in the same transaction where you check the definitions.
  Make sure to define the backlog sets according to your planning requirements.
  
  
  
  Review Planning Area and Book Settings:
  
  Check the planning area and planning book settings to ensure they are correctly configured to use the defined backlog sets.
  Make sure that the planning book is set up to reference the correct backlog sets.
  
  
  
  Transport Configuration:
  
  If the issue arose after a transport, verify that all necessary objects were included in the transport request.
  If needed, re-transport the missing configurations or manually create them in the target system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to backlog set definitions for additional guidance and best practices.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for U6077 in the SAP Support Portal.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Testing: After making changes, perform thorough testing to ensure that the backlog sets are functioning as expected and that the error does not reoccur.
  
  By following these steps, you should be able to resolve the U6077 error and ensure that your dynamic backlog sets are properly defined and utilized in your SAP system.