How To Fix /AIF/EXT_CONTACT110 - Error in protocol function

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/EXT_CONTACT -

• Message number: 110

• Message text: Error in protocol function

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 /AIF/EXT_CONTACT110 - Error in protocol function ?

  The SAP error message /AIF/EXT_CONTACT110 Error in protocol function typically relates to issues within the Application Interface Framework (AIF) in SAP. This error can occur during the processing of messages or when interfacing with external systems. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Configuration Issues: Incorrect configuration of the AIF settings or the interface might lead to this error.
  Data Issues: The data being processed may not conform to the expected format or may be missing required fields.
  Protocol Errors: There may be issues with the communication protocol being used, such as SOAP or REST, which could lead to failures in message processing.
  Authorization Problems: The user or service account may not have the necessary permissions to execute the protocol function.
  System Errors: There could be underlying system issues, such as connectivity problems or service outages.
  
  Solutions:
  
  Check Configuration: Review the AIF configuration settings to ensure they are correctly set up. This includes checking the interface definitions, message mappings, and any relevant parameters.
  Validate Data: Ensure that the data being sent or received is valid and complete. Check for any missing fields or incorrect data types.
  Review Protocol Settings: If using a specific protocol (like SOAP), verify that the endpoint URLs, authentication methods, and other settings are correct.
  Check Authorizations: Ensure that the user or service account has the necessary authorizations to perform the actions required by the protocol function.
  Monitor Logs: Use transaction codes like /AIF/LOG to check the AIF logs for more detailed error messages that can provide insights into what went wrong.
  Test Connectivity: If the error is related to external systems, test the connectivity to those systems to ensure they are reachable and functioning correctly.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /AIF/LOG for logs, /AIF/IF for interface monitoring, and /AIF/IFC for configuration.
  Documentation: Refer to the official SAP documentation for AIF for detailed guidance on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.