How To Fix PB800 - Not an application system.

SAP Error Message - Details

• Message type: E = Error

• Message class: PB - PD: Message IDs Org. Management

• Message number: 800

• Message text: Not an application system.

What causes this issue?

The SAP System in which you are currently working is not an application
system. Changes can only be made in an application system.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PB800 - Not an application system. ?

  The SAP error message "PB800 Not an application system" typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when there is an issue with the configuration of the system landscape or when the system is not recognized as a valid application system for the integration scenario.
  Cause:
  
  Incorrect System Configuration: The system may not be properly configured as an application system in the Integration Directory.
  Missing or Incorrect Logical System Name: The logical system name may not be correctly defined or may not match the expected naming conventions.
  Transport Issues: There may be issues with the transport of configuration settings that define the application system.
  Authorization Issues: The user may not have the necessary authorizations to access the application system.
  Network Issues: There may be network connectivity issues preventing the system from being recognized.
  
  Solution:
  
  
  Check System Configuration:
  
  Go to the Integration Directory and ensure that the system is correctly defined as an application system.
  Verify that the system is assigned to the correct logical system.
  
  
  
  Verify Logical System Name:
  
  Check the logical system name in the SAP system settings (transaction SCC4).
  Ensure that the logical system name is correctly defined and matches the one used in the Integration Directory.
  
  
  
  Transport Configuration:
  
  If changes were made to the configuration, ensure that they have been transported correctly to the relevant systems.
  Use transaction SE09 or SE10 to check the transport requests.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the application system.
  Review the roles and profiles assigned to the user.
  
  
  
  Network Connectivity:
  
  Check for any network issues that may be preventing communication between the systems.
  Ensure that the relevant ports are open and that there are no firewall issues.
  
  
  
  Restart Services:
  
  Sometimes, restarting the relevant services or the entire SAP system can resolve transient issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for Process Integration/Orchestration for guidance on configuring application systems.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support for further assistance.