Message type: E = Error
Message class:  KWUI - Messages for KW UI Controls and Dialogs 
Message number: 004
Message text: No context class has been modeled for this application
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The SAP error message KWUI004, which states "No context class has been modeled for this application," typically occurs in the context of SAP Web Dynpro applications. This error indicates that the application is trying to access a context class that has not been defined or modeled in the application.
Cause: Missing Context Class: The most common cause is that the context class that the application is trying to use has not been created or is not properly defined in the Web Dynpro component. Modeling Errors: There may be issues in the modeling of the Web Dynpro component, such as missing or incorrectly configured data elements. Deployment Issues: Sometimes, the application may not have been deployed correctly, leading to missing components. Version Mismatch: If there are multiple versions of the application or component, there may be a mismatch between the deployed version and the expected version.
Solution: Check Context Class Definition: Open the Web Dynpro component in the SAP
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