How To Fix APC_MESSAGE006 - Incorrect protocol type in application &1

SAP Error Message - Details

• Message type: E = Error

• Message class: APC_MESSAGE - Message class for ABAP Channels (ATC Check only)

• Message number: 006

• Message text: Incorrect protocol type in application &1

What causes this issue?

Incorrect protocol type in application <(>&<)>1

System Response

Incorrect protocol type in application <(>&<)>1

How to fix this error?

Launch the transaction SAPC and check the class specific setting for
"Protocol Type"

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APC_MESSAGE006 - Incorrect protocol type in application &1 ?

  The SAP error message APC_MESSAGE006 with the description "Incorrect protocol type in application &1" typically indicates that there is a mismatch or an issue with the communication protocol being used by the application. This error can occur in various contexts, such as when dealing with RFC (Remote Function Call) connections, web services, or other forms of inter-process communication.
  Causes:
  
  Protocol Mismatch: The application is trying to use a protocol that is not supported or recognized by the SAP system.
  Configuration Issues: Incorrect settings in the SAP system or the application that is trying to connect to it.
  Network Issues: Problems in the network configuration that prevent the correct protocol from being used.
  Version Incompatibility: The application and the SAP system may be running different versions that do not support the same protocols.
  
  Solutions:
  
  Check Configuration: Review the configuration settings of both the SAP system and the application to ensure that they are set to use compatible protocols.
  Update Application: If the application is outdated, consider updating it to a version that is compatible with the SAP system.
  Network Configuration: Ensure that the network settings allow for the correct protocol to be used. This may involve checking firewalls, routers, and other network devices.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates.
  Logs and Traces: Analyze the logs and traces from both the SAP system and the application to identify any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for details on supported protocols and configuration settings.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Technical Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to diagnose and resolve the APC_MESSAGE006 error in your SAP environment.