How To Fix MPE_INSTALLATION_MSG023 - No network activity with reference point &

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_INSTALLATION_MSG -

• Message number: 023

• Message text: No network activity with reference point &

What causes this issue?

Either a network activity with the BOM item's reference point does not
exist or the BOM item for the installation kit was added only recently
and the network has not yet been updated.

System Response

Reference points are used to assign BOM items to network activities. BOM
transfer (transaction <LB>CN33_N</>) automatically assigns a BOM item
with a reference point to a network activity with the same reference
point. Automatic assignment is not possible because a network activity
with the BOM item?s reference point does not exist.

How to fix this error?

1. Add a new network activity with the required reference point
(transaction <AB>CJ20N</> with selected project).
2. Re-explode the current BOM version.
Or
1. Change the BOM item?s reference point if it is incorrect (<LS>Manage
Bill of Material</> app with selected item).
2. Re-explode the current BOM version.

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_MSG023 - No network activity with reference point & ?

  The SAP error message MPE_INSTALLATION_MSG023 with the description "No network activity with reference point &" typically indicates that there is an issue with the network connectivity or configuration related to the SAP system's communication with a specific reference point. This error can occur in various contexts, such as during the installation of SAP components, while configuring network settings, or when trying to establish a connection to a remote system.
  Causes:
  
  Network Configuration Issues: Incorrect network settings, such as IP addresses, ports, or firewall rules, can prevent communication.
  Service Availability: The service or application that the SAP system is trying to connect to may not be running or may be unreachable.
  DNS Resolution Problems: If the SAP system cannot resolve the hostname of the reference point, it may lead to this error.
  Firewall Restrictions: Firewalls may be blocking the necessary ports for communication.
  Incorrect Reference Point: The reference point specified in the configuration may be incorrect or not properly defined.
  
  Solutions:
  
  
  Check Network Configuration:
  
  Verify the network settings in the SAP system and ensure that they are correctly configured.
  Check the IP address and port settings for the reference point.
  
  
  
  Service Status:
  
  Ensure that the service or application you are trying to connect to is up and running.
  If applicable, restart the service to see if that resolves the issue.
  
  
  
  DNS Configuration:
  
  Check if the hostname can be resolved correctly. You can use commands like ping or nslookup to verify DNS resolution.
  If there are issues, consider adding the hostname and IP address to the hosts file.
  
  
  
  Firewall Settings:
  
  Review firewall rules to ensure that the necessary ports are open for communication.
  If needed, temporarily disable the firewall to test connectivity.
  
  
  
  Review Reference Point Configuration:
  
  Double-check the configuration settings for the reference point in the SAP system.
  Ensure that the reference point is correctly defined and matches the expected values.
  
  
  
  Logs and Traces:
  
  Check the SAP application logs and traces for more detailed error messages that may provide additional context.
  Use transaction codes like SLG1 (Application Log) to view logs related to the error.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the specific module or component you are working with, as it may contain information on network configuration and troubleshooting.
  Community Forums: Consider checking SAP Community forums or other online resources where similar issues may have been discussed.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.