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

SAP Error Message - Details

• 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 project data is locked, check if there are any ongoing transactions or locks that need to be resolved. You may need to wait for other users to complete their tasks or contact your system administrator to unlock the data.
  Review Authorizations: Ensure that you have the necessary permissions to access and modify the project elements. If not, contact your SAP security administrator to grant the required authorizations.
  Refresh the Overview: Sometimes, simply refreshing the daily overview or reloading the project can resolve temporary inconsistencies.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that address this specific error message. There may be known issues or updates that can resolve the problem.
  System Configuration Review: If the issue persists, review the configuration settings in the Project System module to ensure they are set up correctly.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Project System for detailed information on managing project data and understanding error messages.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like CJ20N for project planning) that may help you navigate and troubleshoot project-related issues.
  
  If the problem continues after trying these solutions, it may be necessary to involve your SAP support team or a consultant for further investigation.