How To Fix ISU_S4H_C4C_UTIL_MSG302 - Error when requesting data from C4C. Proxy class &1. Usage: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ISU_S4H_C4C_UTIL_MSG -

• Message number: 302

• Message text: Error when requesting data from C4C. Proxy class &1. Usage: &2

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 ISU_S4H_C4C_UTIL_MSG302 - Error when requesting data from C4C. Proxy class &1. Usage: &2 ?

  The SAP error message ISU_S4H_C4C_UTIL_MSG302 typically occurs when there is an issue with the integration between SAP IS-U (Utilities) and SAP C4C (Cloud for Customer). This error indicates that there is a problem with the proxy class being used to request data from C4C.
  Cause:
  
  Configuration Issues: The proxy class may not be correctly configured in the SAP system. This could be due to missing or incorrect settings in the integration configuration.
  Network Issues: There may be network connectivity problems between the SAP system and the C4C system, preventing data from being transmitted.
  Authorization Issues: The user or service account being used to make the request may not have the necessary authorizations to access the data in C4C.
  Data Format Issues: The data being sent to C4C may not be in the expected format, leading to errors during processing.
  Version Compatibility: There may be compatibility issues between the versions of SAP IS-U and C4C being used.
  
  Solution:
  
  Check Configuration: Verify the configuration settings for the proxy class in the SAP system. Ensure that all necessary parameters are correctly set.
  Network Connectivity: Test the network connection between the SAP system and C4C. Ensure that there are no firewalls or network issues blocking the connection.
  Authorization Check: Review the authorizations for the user or service account being used. Ensure that it has the necessary permissions to access the required data in C4C.
  Data Validation: Check the data being sent to C4C for any formatting issues. Ensure that it adheres to the expected structure and data types.
  Update Versions: Ensure that both SAP IS-U and C4C are updated to compatible versions. Check for any patches or updates that may resolve known issues.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Integration Documentation: Review the integration documentation for SAP IS-U and C4C to ensure that all steps have been followed correctly.
  Logs and Traces: Analyze the application logs and traces in both SAP IS-U and C4C to gather more information about the error and identify the root cause.
  SAP Community: Consider reaching out to the SAP Community forums for additional insights or similar experiences from other users.
  
  If the issue persists after following these steps, it may be beneficial to engage SAP support for further assistance.