How To Fix CNDP007 - Control Framework : Communication error in the RFC

SAP Error Message - Details

• Message type: E = Error

• Message class: CNDP - Messages for Data Provider

• Message number: 007

• Message text: Control Framework : Communication error in the RFC

What causes this issue?

The RFC reported a communication error while a control was being
processed.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNDP007 - Control Framework : Communication error in the RFC ?

  The SAP error message CNDP007 indicates a communication error in the Remote Function Call (RFC) within the Control Framework. This error can occur due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of CNDP007 Error
  
  
  Network Issues: Problems with the network connection between the SAP systems can lead to communication errors. This could be due to network outages, firewalls blocking traffic, or incorrect network configurations.
  
  
  RFC Destination Configuration: The RFC destination may not be configured correctly. This includes incorrect settings for the target system, such as the system ID, client number, user credentials, or connection type.
  
  
  System Availability: The target SAP system may be down or not reachable. This could be due to maintenance, system crashes, or other operational issues.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the requested operation.
  
  
  Version Compatibility: Incompatibility between different SAP versions or components can also lead to communication errors.
  
  
  Timeout Settings: If the RFC call takes too long to respond, it may exceed the timeout settings, resulting in a communication error.
  
  
  Solutions to CNDP007 Error
  
  
  Check Network Connectivity: Ensure that there is a stable network connection between the systems. You can use tools like ping or traceroute to diagnose network issues.
  
  
  Verify RFC Destination: Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination. Ensure that all parameters (like target system, client, user, and password) are correct.
  
  
  Check System Status: Verify that the target SAP system is up and running. You can check the system logs or use transaction SM51 to see the status of application servers.
  
  
  Review Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations. You can check this in transaction SU01 for the user profile.
  
  
  Check for Version Compatibility: Ensure that the systems involved are compatible in terms of versions and components. If there are discrepancies, consider upgrading or patching the systems.
  
  
  Adjust Timeout Settings: If the RFC call is timing out, consider increasing the timeout settings in the RFC destination configuration.
  
  
  Review Logs: Check the system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages that might provide more context about the issue.
  
  
  Related Information
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to CNDP007.
  Documentation: Review the SAP documentation for the Control Framework and RFC communication for best practices and troubleshooting steps.
  Community Forums: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  By systematically checking these areas, you should be able to identify and resolve the CNDP007 error effectively.