How To Fix R9009 - Incorrect callback

SAP Error Message - Details

• Message type: E = Error

• Message class: R9 - Business Explorer

• Message number: 009

• Message text: Incorrect callback

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message R9009 - Incorrect callback ?

  The SAP error message R9009, which states "Incorrect callback," typically occurs in the context of SAP's Remote Function Call (RFC) or when dealing with asynchronous processing. This error indicates that there is an issue with the callback mechanism that is expected to be invoked after a certain operation, such as a remote function call or an asynchronous task.
  Causes of R9009 Error
  
  Incorrect Function Module: The function module being called may not be set up correctly to handle the callback.
  Parameter Mismatch: The parameters being passed to the callback function may not match the expected parameters, leading to an error.
  Configuration Issues: There may be configuration issues in the RFC destination or the settings related to the asynchronous processing.
  Network Issues: Network problems can prevent the callback from being executed properly.
  Authorization Issues: The user executing the callback may not have the necessary authorizations to perform the action.
  
  Solutions
  
  Check Function Module: Verify that the function module being called is correctly defined and that it includes the necessary callback handling.
  Parameter Validation: Ensure that the parameters being passed to the callback function match the expected types and formats.
  Review RFC Configuration: Check the RFC destination settings and ensure that they are correctly configured. This includes checking the connection parameters and ensuring that the target system is reachable.
  Network Troubleshooting: Investigate any potential network issues that could be affecting the callback execution. This may involve checking firewalls, network routes, and connectivity.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the callback function. You may need to review user roles and permissions.
  Debugging: If the issue persists, consider using debugging tools to trace the execution flow and identify where the callback is failing.
  
  Related Information
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the R9009 error. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Review the documentation for the specific function module or RFC interface you are working with to ensure compliance with expected parameters and configurations.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem continues after trying the above solutions, it may be beneficial to contact SAP support for further assistance, providing them with detailed information about the error context and any troubleshooting steps already taken.