How To Fix UPS191 - Packet type &1 used by the instance

SAP Error Message - Details

• Message type: E = Error

• Message class: UPS - ALE Distribution Packet

• Message number: 191

• Message text: Packet type &1 used by the instance

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPS191 - Packet type &1 used by the instance ?

  The SAP error message UPS191 typically indicates an issue related to the packet type being used by an instance in the SAP system. This error can occur in various contexts, often related to the SAP transport management system or when dealing with background jobs and communication between different SAP instances.
  Cause:
  The error message UPS191 usually arises due to one of the following reasons:
  
  Incorrect Packet Type: The instance is trying to use a packet type that is not supported or recognized by the system.
  Configuration Issues: There may be misconfigurations in the transport settings or instance profiles.
  Version Mismatch: The packet type being used may not be compatible with the version of the SAP system or the specific instance.
  Network Issues: Problems in network communication between instances can also lead to this error.
  
  Solution:
  To resolve the UPS191 error, you can follow these steps:
  
  
  Check Configuration:
  
  Review the configuration settings for the transport management system and ensure that the packet types are correctly defined.
  Verify the instance profile settings to ensure they are correctly configured.
  
  
  
  Review Packet Types:
  
  Check the packet types being used by the instance. Ensure that they are valid and supported by your version of SAP.
  You can use transaction codes like STMS (Transport Management System) to check the transport routes and packet types.
  
  
  
  Update SAP System:
  
  If you are running an older version of SAP, consider applying the latest patches or updates that may resolve compatibility issues with packet types.
  
  
  
  Network Configuration:
  
  Ensure that there are no network issues affecting communication between SAP instances. Check firewalls, routing, and other network configurations.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently updates their knowledge base with solutions for known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as STMS, SM37 (for job monitoring), and SM21 (for system logs) to help diagnose the issue.
  SAP Documentation: Review the official SAP documentation for your specific version to understand the expected configurations and supported packet types.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the UPS191 error in your SAP system.