How To Fix GW496 - Error in modification values for CPIC conversion table

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 496

• Message text: Error in modification values for CPIC conversion table

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 GW496 - Error in modification values for CPIC conversion table ?

  The SAP error message GW496, which states "Error in modification values for CPIC conversion table," typically occurs in the context of communication between SAP systems, particularly when using the Common Programming Interface for Communication (CPIC). This error can arise due to various reasons, including issues with data conversion, configuration problems, or inconsistencies in the communication setup.
  Causes:
  
  Data Type Mismatch: The error may occur if there is a mismatch in the data types being sent or received between the SAP systems.
  Configuration Issues: Incorrect configuration settings in the RFC (Remote Function Call) destination or in the CPIC settings can lead to this error.
  Network Issues: Problems with the network connection between the SAP systems can also cause communication errors.
  Version Compatibility: Incompatibility between different versions of SAP systems can lead to issues in data conversion.
  Corrupted Data: If the data being processed is corrupted or not in the expected format, it can trigger this error.
  
  Solutions:
  
  Check Data Types: Ensure that the data types being used in the communication are compatible and correctly defined in both systems.
  Review RFC Configuration: Verify the RFC destination settings in transaction SM59. Ensure that the connection parameters are correctly configured.
  Network Troubleshooting: Check the network connectivity between the systems. Use tools like ping or traceroute to diagnose any network issues.
  Update SAP Systems: Ensure that both SAP systems are running compatible versions. If necessary, apply patches or updates to resolve compatibility issues.
  Data Validation: Validate the data being sent to ensure it is in the correct format and not corrupted. You may need to implement error handling to catch and log any data issues.
  Check SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM21 (System Log) and ST22 (Dump Analysis) to check for any related logs or dumps that might provide more context about the error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Refer to the official SAP documentation for CPIC and RFC communication for detailed configuration and troubleshooting guidelines.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.