How To Fix MMPUR_CAT_EXTR_LGMSG138 - Connection to connected system not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_CAT_EXTR_LGMSG - Extractor Log Messages

• Message number: 138

• Message text: Connection to connected system not possible

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 MMPUR_CAT_EXTR_LGMSG138 - Connection to connected system not possible ?

  The SAP error message MMPUR_CAT_EXTR_LGMSG138 indicates that there is a problem with the connection to a connected system, which is often related to issues in the integration between SAP systems or between SAP and external systems. This error can occur in various contexts, such as when trying to access external catalogs or when integrating with third-party applications.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the connected system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the connected system can lead to connection failures.
  Authorization Issues: The user or service account may not have the necessary permissions to access the connected system.
  Service Availability: The connected system may be down or not responding due to maintenance or other issues.
  Firewall or Security Settings: Firewalls or security settings may be blocking the connection to the external system.
  Incorrect URL or Endpoint: The URL or endpoint configured for the connected system may be incorrect.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the connected system is stable and functioning. You can use tools like ping or traceroute to diagnose network issues.
  Review Configuration Settings: Verify the configuration settings in both the SAP system and the connected system. Ensure that all parameters, such as URLs, ports, and credentials, are correctly set.
  Check User Authorizations: Ensure that the user or service account being used to connect to the external system has the necessary permissions and roles assigned.
  Monitor Service Status: Check the status of the connected system to ensure it is up and running. If it is down, coordinate with the relevant team to resolve the issue.
  Review Firewall and Security Settings: Check firewall rules and security settings to ensure that they allow traffic between the SAP system and the connected system.
  Validate URL/Endpoint: Double-check the URL or endpoint configured for the connected system to ensure it is correct and accessible.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  System Logs: Review system logs (such as the application log or system log) for additional error messages or warnings that may provide more context about the connection failure.
  Transaction Codes: Use transaction codes like SM21 (System Log), SLG1 (Application Log), or SM37 (Job Monitoring) to gather more information about the error.
  SAP Community: Consider searching or posting in the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to engage with your SAP Basis team or SAP support for further assistance.