How To Fix L1162 - Error during communication with external system

SAP Error Message - Details

• Message type: E = Error

• Message class: L1 - Message handling for WM master data

• Message number: 162

• Message text: Error during communication with external system

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 L1162 - Error during communication with external system ?

  The SAP error message L1162, which states "Error during communication with external system," typically indicates that there is a problem with the communication between the SAP system and an external system, such as a third-party application, a web service, or another SAP system. This error can arise from various causes, and the solutions may vary depending on the specific context.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the external system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the external system can lead to communication failures.
  Authorization Issues: The user or system may not have the necessary permissions to access the external system.
  Service Availability: The external system may be down or not responding.
  Data Format Issues: The data being sent or received may not be in the expected format, leading to parsing errors.
  Timeouts: The communication may be timing out due to slow response times from the external system.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the external 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 external system. This includes checking RFC destinations, HTTP connections, and any relevant middleware settings.
  Check Authorizations: Ensure that the user or system has the necessary authorizations to communicate with the external system. This may involve checking user roles and permissions.
  Monitor External System Status: Check if the external system is operational. If it is down, you may need to wait until it is back online or contact the support team for that system.
  Validate Data Formats: Ensure that the data being sent or received is in the correct format. This may involve checking data mappings and transformations.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the SAP system or the external system to allow for longer processing times.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SM21 (System Log) or SLG1 (Application Log) to check for additional error messages or logs that can provide more context about the issue.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the documentation for the specific integration scenario you are working with, as it may contain specific troubleshooting steps or configuration guidelines.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with your SAP Basis team or consult SAP support for further assistance.