How To Fix MPE_INSTALLATION_MSG018 - Network activity not yet released

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_INSTALLATION_MSG -

• Message number: 018

• Message text: Network activity not yet released

What causes this issue?

Production planning has not yet been completed.

System Response

Production planners confirm the completion of production planning by
releasing a network activity. Network activities may only be started
once they have been released.

How to fix this error?

Release the network activity when engineering and production planning
have been completed (transaction <AB>CJ20N</>).

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_MSG018 - Network activity not yet released ?

  The SAP error message MPE_INSTALLATION_MSG018 with the description "Network activity not yet released" typically occurs in the context of SAP's Multi-Processing Environment (MPE) or during the installation or configuration of network-related activities. This error indicates that there are pending network activities that have not been released or completed, which can prevent further processing.
  Causes:
  
  Pending Network Activities: There may be network activities that are still in progress or have not been properly finalized.
  Configuration Issues: Incorrect configuration settings in the network setup or in the MPE environment can lead to this error.
  System Lock: The system might be locked due to ongoing processes or transactions that have not been completed.
  Resource Constraints: Insufficient system resources (like memory or processing power) can lead to delays in releasing network activities.
  
  Solutions:
  
  Check Network Activities: Review the current network activities in the system. Ensure that all processes are completed and that there are no pending tasks.
  Release Pending Activities: If there are any activities that are stuck or pending, try to manually release or complete them. This may involve checking transaction logs or using specific SAP transaction codes to manage network activities.
  Configuration Review: Verify the configuration settings related to the MPE and network activities. Ensure that all settings are correct and aligned with the system requirements.
  System Restart: In some cases, restarting the SAP system or the specific application server may help in releasing any locked processes.
  Check for Locks: Use transaction codes like SM12 to check for any locks that might be preventing the release of network activities. If necessary, release the locks.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error message. There may be updates or fixes available that can resolve the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for MPE and network configuration for detailed guidance on setup and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Support Tickets: If the issue persists, consider opening a support ticket with SAP for further assistance, providing them with detailed logs and error messages.
  
  By following these steps, you should be able to diagnose and resolve the error message MPE_INSTALLATION_MSG018 effectively.