How To Fix /IWPGW/PGW_SERVICE111 - Facade implementation class &1 for process platform &2 is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWPGW/PGW_SERVICE -

• Message number: 111

• Message text: Facade implementation class &1 for process platform &2 is invalid

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWPGW/PGW_SERVICE111 - Facade implementation class &1 for process platform &2 is invalid ?

  The SAP error message /IWPGW/PGW_SERVICE111 Facade implementation class &1 for process platform &2 is invalid typically indicates an issue with the facade implementation class associated with a specific process platform in the SAP Gateway framework. This error can arise due to various reasons, including configuration issues, missing or incorrect implementations, or inconsistencies in the system.
  Causes:
  
  Invalid Facade Implementation: The specified facade implementation class does not exist or is not correctly implemented.
  Configuration Issues: The configuration for the process platform may be incorrect or incomplete.
  Transport Issues: If the implementation was transported from another system, it may not have been transported correctly.
  Version Mismatch: There may be a version mismatch between the SAP Gateway and the backend system.
  Authorization Issues: The user may not have the necessary authorizations to access the specified facade.
  
  Solutions:
  
  
  Check Implementation Class: Verify that the facade implementation class specified in the error message exists and is correctly implemented. You can do this by checking the relevant ABAP class in the SAP system.
  
  
  Review Configuration: Ensure that the configuration for the process platform is correct. This includes checking the settings in the SAP Gateway and ensuring that the service is properly registered.
  
  
  Transport Validation: If the implementation was transported, check the transport logs to ensure that all necessary objects were transported correctly. You may need to re-transport the implementation if there are missing components.
  
  
  Check System Versions: Ensure that the versions of the SAP Gateway and the backend system are compatible. If there are discrepancies, consider upgrading or patching the systems.
  
  
  Authorization Check: Verify that the user has the necessary authorizations to access the service. You can check the roles and authorizations assigned to the user in transaction SU01.
  
  
  Debugging: If the issue persists, consider debugging the service call to identify where the failure occurs. This may provide more insight into the specific cause of the error.
  
  
  Related Information:
  
  Transaction Codes: You may find it useful to use transaction codes like /IWFND/MAINT_SERVICE to manage and maintain OData services, and /IWFND/ERROR_LOG to check for error logs related to the Gateway.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  Documentation: Review the SAP Gateway documentation for more information on facade implementation and configuration.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.