How To Fix MPE_INSTALLATION_MSG073 - Network activities have same reference point.

MPE_INSTALLATION_MSG073 - Overview

• Message type: E = Error

• Message class: MPE_INSTALLATION_MSG -

• Message number: 073

• Message text: Network activities have same reference point.

What causes this issue?

Two network activities have the same reference point.

System Response

BOM transfer (transaction CN33_N) uses reference points to assign BOM
items to operation activities. If several activities have the same
reference point, then BOM transfer cannot identify the activity to which
the BOM item is to be assigned.

How to fix this error?

Use different reference points in different network activities.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_INSTALLATION_MSG073 - Network activities have same reference point. ?

  The SAP error message MPE_INSTALLATION_MSG073 with the description "Network activities have the same reference point" typically occurs in the context of managing network activities in SAP, particularly when dealing with project management or network planning in modules like SAP PS (Project System) or SAP PM (Plant Maintenance).
  
  Cause:
  This error usually arises when there are multiple network activities that are assigned the same reference point (or predecessor/successor relationship) within a project or network. In SAP, each activity should have a unique reference point to ensure proper scheduling and dependency management. When two or more activities share the same reference point, it creates ambiguity in the scheduling logic, leading to this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicate Reference Points:
  
  Go to the network or project where the error is occurring.
  Check the activities associated with the network and identify any that have the same reference point.
  
  
  
  Modify Activity Relationships:
  
  Change the relationships