How To Fix /IWPGW/PGW_SERVICE203 - Generic context service does not support XSD data type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWPGW/PGW_SERVICE -

• Message number: 203

• Message text: Generic context service does not support XSD data type &1

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 /IWPGW/PGW_SERVICE203 - Generic context service does not support XSD data type &1 ?

  The SAP error message /IWPGW/PGW_SERVICE203 indicates that there is an issue with the data type being used in a service call, specifically that the generic context service does not support the specified XML Schema Definition (XSD) data type. This error typically arises in the context of SAP Gateway services, where the data types defined in the service's metadata do not align with what is being sent or expected.
  Cause:
  
  Unsupported Data Type: The error is triggered when the service is trying to process a data type that is not supported by the generic context service. This could be due to using a custom or complex data type that the service cannot handle.
  Mismatch in Data Types: There may be a mismatch between the data types defined in the service's metadata and the actual data being sent in the request.
  Incorrect Service Configuration: The service might not be properly configured to handle the specific data types being used.
  
  Solution:
  
  Check Data Types: Review the data types defined in the service's metadata (using transaction code /IWFND/MAINT_SERVICE or similar) and ensure that they are compatible with the data being sent in the request.
  Modify the Service: If you are using custom data types, consider modifying the service to support these types or convert them to a supported type.
  Update the Service Implementation: If the service implementation is using unsupported types, update the implementation to use standard types that are compatible with the SAP Gateway.
  Test with Simple Data Types: As a troubleshooting step, try sending a request with simpler, standard data types to see if the error persists. This can help isolate the issue.
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as there may be fixes or enhancements related to data type handling in newer versions.
  
  Related Information:
  
  SAP Gateway Documentation: Review the official SAP Gateway documentation for information on supported data types and best practices for service implementation.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide guidance on handling data types in Gateway services.
  Community Forums: Consider checking SAP Community forums or other developer forums for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.