How To Fix /SAPAPO/CFM_MSG160 - Connection or communication error

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CFM_MSG -

• Message number: 160

• Message text: Connection or communication error

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 /SAPAPO/CFM_MSG160 - Connection or communication error ?

  The SAP error message /SAPAPO/CFM_MSG160 indicates a connection or communication error, typically occurring in the context of SAP Advanced Planning and Optimization (APO) or when interfacing with other systems. This error can arise due to various reasons, including network issues, configuration problems, or system settings.
  Causes:
  
  Network Issues: Problems with the network connection between the SAP system and the external system or database can lead to communication errors.
  Configuration Errors: Incorrect settings in the SAP system or the external system can prevent successful communication.
  System Downtime: The target system may be down for maintenance or experiencing outages.
  Firewall or Security Settings: Firewalls or security settings may block the communication between systems.
  Incorrect RFC Destination: The Remote Function Call (RFC) destination may not be configured correctly or may be pointing to the wrong system.
  Authorization Issues: The user or service account may not have the necessary permissions to access the target 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 parameters are set correctly.
  Check System Status: Confirm that the target system is up and running. If it is down, coordinate with the relevant teams to resolve the issue.
  Inspect Firewall Settings: Review firewall rules and security settings to ensure that they allow communication between the systems.
  Validate RFC Destination: Go to transaction SM59 in SAP and check the configuration of the RFC destination. Test the connection to ensure it is working correctly.
  Check Authorizations: Ensure that the user or service account being used for the connection has the necessary authorizations to access the target system.
  
  Related Information:
  
  Transaction Codes: 
  
  SM59: For managing RFC destinations.
  SICF: For checking HTTP services.
  ST22: For analyzing dumps that may provide more context on the error.
  
  
  Logs: Check the application logs (SLG1) and system logs (SM21) for any additional error messages or warnings that may provide more context.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.