How To Fix PSS4_MSG171 - &1 &2 validity must overlap with the work package &3 validity

PSS4_MSG171 - Overview

• Message type: E = Error

• Message class: PSS4_MSG - Message class for simplified Projects

• Message number: 171

• Message text: &1 &2 validity must overlap with the work package &3 validity

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PSS4_MSG171 - &1 &2 validity must overlap with the work package &3 validity ?

  The SAP error message PSS4_MSG171 indicates that there is a validity overlap issue between a work package and another object (like a project or task) in the system. This error typically arises in the context of project management or work package management within SAP, particularly in modules like SAP PS (Project System).
  
  Cause:
  The error occurs when you attempt to create or modify a validity period for an object (e.g., a work package) that does not overlap with the validity period of the associated work package. This means that the start and end dates of the new validity period do not intersect with the existing work package's validity period.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Validity Periods: Review the validity periods of both the work package and the object you are trying to create or modify. Ensure that the start and end dates of the new validity period overlap