How To Fix LAW2_MESSAGES175 - *** Communication ***

SAP Error Message - Details

• Message type: E = Error

• Message class: LAW2_MESSAGES - LAW 2.0 Message Class

• Message number: 175

• Message text: *** Communication ***

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LAW2_MESSAGES175 - *** Communication *** ?

  The SAP error message LAW2_MESSAGES175, which is related to communication issues, typically indicates a problem with the communication between the SAP system and an external system or service. This error can occur in various contexts, such as during data transfer, integration with third-party applications, or when accessing remote services.
  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.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication ports required for the SAP system to connect to the external service.
  Service Availability: The external service or system may be down or unavailable at the time of the request.
  Protocol Mismatch: There may be a mismatch in the communication protocols being used by the SAP system and 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. Ensure that all necessary parameters (like hostnames, ports, and credentials) are correctly set.
  Firewall and Security Settings: Check the firewall settings to ensure that the required ports are open and that there are no security rules blocking the communication.
  Service Status: Confirm that the external service is up and running. You may need to contact the service provider or check their status page.
  Protocol Compatibility: Ensure that both systems are using compatible communication protocols (e.g., HTTP, HTTPS, RFC) and that any required libraries or components are installed and configured correctly.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to LAW2_MESSAGES175 for any specific patches or updates that may address this issue.
  Transaction Codes: Use transaction codes like SM21 (System Log) or ST22 (Dump Analysis) to gather more information about the error and its context.
  Logs: Review application logs and communication logs for more detailed error messages that can provide insights into the root cause of the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP Basis team or consult with SAP support for further assistance.