How To Fix PQ653 - Cannot create relationship (period conflict)

SAP Error Message - Details

• Message type: E = Error

• Message class: PQ - HR-PD: Personnel Development

• Message number: 653

• Message text: Cannot create relationship (period conflict)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PQ653 - Cannot create relationship (period conflict) ?

  The SAP error message PQ653 "Cannot create relationship (period conflict)" typically occurs in the context of Production Planning and Control (PP) or Project System (PS) modules when there is an attempt to create a relationship between two activities or operations that have conflicting time periods. This can happen in scenarios such as scheduling, where the start and finish dates of the activities do not align properly.
  
  Cause:
  
  Overlapping Dates: The start and finish dates of the two activities or operations you are trying to link may overlap in a way that is not allowed by the system.
  Incorrect Time Settings: The time settings for the activities may not be configured correctly, leading to conflicts.
  Missing or Incorrect Data: There may be missing or incorrect data in the master data (like work centers, routing, etc.) that affects the scheduling of the activities.
  Resource Availability: If the resources required for the activities are not available during the