How To Fix COM_PRODUCT776 - Program error on caller side. Function not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_PRODUCT - General Messages on Products

• Message number: 776

• Message text: Program error on caller side. Function not supported

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 COM_PRODUCT776 - Program error on caller side. Function not supported ?

  The SAP error message COM_PRODUCT776 indicates that there is a program error on the caller side, specifically stating that a function is not supported. This error typically arises in the context of SAP's Composite Application Framework (CAF) or when dealing with composite applications that involve multiple services or components.
  Causes:
  
  Unsupported Functionality: The function being called may not be implemented or supported in the current context or version of the application.
  Configuration Issues: There may be misconfigurations in the service or application that is trying to invoke the function.
  Version Mismatch: The version of the service or component being called may not be compatible with the version of the caller.
  Authorization Issues: The user or service account may not have the necessary permissions to execute the function.
  Data Issues: The data being passed to the function may not meet the expected format or constraints, leading to a failure in execution.
  
  Solutions:
  
  Check Functionality: Verify that the function you are trying to call is indeed supported in the version of the application you are using. Consult the SAP documentation for the specific service or function module.
  Review Configuration: Ensure that all configurations related to the service or application are correctly set up. This includes checking service endpoints, parameters, and any required settings.
  Update Components: If there is a version mismatch, consider updating the components or services to ensure compatibility.
  Check Authorizations: Review the user roles and authorizations to ensure that the calling user or service account has the necessary permissions to execute the function.
  Validate Input Data: Ensure that the data being passed to the function is valid and meets all required criteria. This may involve checking data types, lengths, and any other constraints.
  Debugging: If you have access to the development environment, use debugging tools to trace the execution and identify where the error occurs. This can provide insights into what might be going wrong.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. SAP frequently updates its knowledge base with solutions to common problems.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation for the specific components or services involved to understand their capabilities and limitations.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error, the context in which it occurs, and any troubleshooting steps you have already taken.