How To Fix STEP651 - Action_relationship &1 ignored because of missing tree struct. for acts

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 651

• Message text: Action_relationship &1 ignored because of missing tree struct. for acts

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message STEP651 - Action_relationship &1 ignored because of missing tree struct. for acts ?

  The SAP error message "STEP651 Action_relationship &1 ignored because of missing tree struct" typically occurs in the context of SAP Advanced Planning and Optimization (APO) or similar modules where action relationships are defined for planning processes. This error indicates that there is a missing or incomplete tree structure that is required for the action relationship to function properly.
  
  Cause:
  
  
  Missing Tree Structure: The error suggests that the action relationship you are trying to use is dependent on a tree structure that has not been defined or is incomplete. This could be due to:
  
  The tree structure not being created in the system.
  The tree structure being deleted or not activated.
  Incorrect configuration or settings in the planning area or planning book.
  
  
  
  Incorrect Action Relationship: The action relationship itself may not be correctly defined or may reference a tree structure that does not exist.
  
  
  Data Inconsistencies: There may be inconsistencies in the data that prevent the system from