How To Fix MPE_INSTALLATION_MSG080 - &1 and its parent network &2 activity &3 are not connected by FF relation

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_INSTALLATION_MSG -

• Message number: 080

• Message text: &1 and its parent network &2 activity &3 are not connected by FF relation

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_INSTALLATION_MSG080 - &1 and its parent network &2 activity &3 are not connected by FF relation ?

  The SAP error message MPE_INSTALLATION_MSG080 indicates that there is a problem with the relationship between two activities in a project network. Specifically, it states that the specified activity (activity &3) is not connected to its parent network (network &2) by a Finish-to-Finish (FF) relationship. This can occur in project management scenarios where activities are expected to have specific dependencies.
  Cause:
  
  Missing Dependency: The most common cause of this error is that the Finish-to-Finish relationship between the specified activities is not defined in the network.
  Incorrect Configuration: There may be an issue with how the project network is configured, leading to missing or incorrect relationships.
  Data Entry Error: It could also be due to a data entry error where the relationships were not set up correctly during the planning phase.
  
  Solution:
  
  
  Check Activity Relationships:
  
  Go to the project network in SAP and check the relationships between the activities.
  Ensure that the Finish-to-Finish (FF) relationship is correctly defined between the specified activities.
  
  
  
  Modify Network:
  
  If the relationship is missing, you can add it by editing the network activities and defining the appropriate dependencies.
  Use transaction codes like CN21 (Create Network) or CN22 (Change Network) to modify the network.
  
  
  
  Validate Network:
  
  After making changes, validate the network to ensure that all activities are correctly linked and that there are no other dependency issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for detailed instructions on managing project networks and dependencies.
  
  
  
  Testing:
  
  After making the necessary changes, test the network to ensure that the error no longer appears and that the project can proceed as planned.
  
  
  
  Related Information:
  
  Project Management in SAP: Understanding how project networks and activities are structured in SAP is crucial for effective project management.
  Dependency Types: Familiarize yourself with different types of dependencies (Finish-to-Start, Start-to-Start, Finish-to-Finish, Start-to-Finish) and how they affect project scheduling.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message or provide additional troubleshooting steps.
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP expert or support team for further assistance.