How To Fix PEP120 - Modifications affect the instances in the daily overview.

PEP120 - Overview

• Message type: E = Error

• Message class: PEP - Schedule Manager: Messages

• Message number: 120

• Message text: Modifications affect the instances in the daily overview.

What causes this issue?

You want to change a task in the task list. There are instances of this
task in the calendar.

System Response

If you change the task, then you may influence the instances (tasks
already scheduled or executed) in the daily view. If, for example, you
change a task description, the system adapts the description for the
instances in the calendar accordingly.

How to fix this error?

If you want to ensure that the instances are <ZH>not</> changed, you
should avoid making the change. You may be able to make this change by
creating a new task.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PEP120 - Modifications affect the instances in the daily overview. ?

  The SAP error message PEP120 typically occurs in the context of Project Management (PS) or Project System (PS) modules when there are modifications made to project elements that affect the instances displayed in the daily overview. This message indicates that there are inconsistencies or changes that need to be addressed before proceeding.
  
  Cause:
  
  Data Inconsistency: Changes made to project elements (like activities, milestones, or resources) may not be reflected correctly in the daily overview.
  Locked Data: If the project data is locked for editing or if there are ongoing transactions that prevent updates, this error can occur.
  Missing Authorizations: Users may not have the necessary permissions to view or modify certain project elements.
  System 
  Configuration Issues: Incorrect settings in the project system configuration can lead to this error.
  
  
  Solution:
  
  Check for Data Consistency: Review the project elements that have been modified. Ensure that all changes are valid and consistent with the overall project structure.
  Unlock Data: If the