How To Fix /PM0/ABJ_MSG064 - Incorrect predec.($2)-successor relationship (&1) for entity &3 in ctr &4

/PM0/ABJ_MSG064 - Overview

• Message type: E = Error

• Message class: /PM0/ABJ_MSG -

• Message number: 064

• Message text: Incorrect predec.($2)-successor relationship (&1) for entity &3 in ctr &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABJ_MSG064 - Incorrect predec.($2)-successor relationship (&1) for entity &3 in ctr &4 ?

  The SAP error message /PM0/ABJ_MSG064 indicates an issue with the predecessor-successor relationship in a project or maintenance order. This error typically arises in the context of project management or maintenance planning within SAP, particularly when dealing with network activities or tasks that have dependencies.
  
  Cause:
  The error message suggests that there is an incorrect predecessor-successor relationship defined for a specific entity (like a task or activity) in a particular control area or project. The specific components of the error message are as follows:
  
  Incorrect predec. ($2): This indicates that the predecessor relationship is not valid.
  successor relationship (&1): This refers to the successor activity that is incorrectly linked.
  entity &3: This is the specific entity (like a task or activity) that is causing the issue.
  ctr &4: This refers to the control area or project where the error is occurring.
  
  Common causes for this error include:
  
  Incorrectly Defined Relationships: The predecessor or successor activities may not be properly