How To Fix /UI2/CDM3_EXP102 - Schema validation errors found. Exposure canceled. &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDM3_EXP -

• Message number: 102

• Message text: Schema validation errors found. Exposure canceled. &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 /UI2/CDM3_EXP102 - Schema validation errors found. Exposure canceled. &1 ?

  The SAP error message /UI2/CDM3_EXP102 Schema validation errors found. Exposure canceled. &1 typically indicates that there are issues with the data being processed in the SAP Fiori application, specifically related to the exposure of data models. This error is often associated with the OData services and the way the data is structured or validated against the expected schema.
  Causes:
  
  Schema Mismatch: The data being sent does not conform to the expected schema defined for the OData service. This could be due to missing fields, incorrect data types, or unexpected values.
  Data Model Changes: If there have been recent changes to the underlying data model or OData service, the existing data may no longer be valid.
  Configuration Issues: Incorrect configuration in the SAP Gateway or Fiori application settings can lead to schema validation errors.
  Transport Issues: If the application was recently transported from one environment to another (e.g., from development to production), there may be inconsistencies in the data model.
  
  Solutions:
  
  Check the OData Service: Validate the OData service definition and ensure that the data being sent matches the expected schema. You can use tools like the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the service.
  Review Data: Inspect the data being sent to the service for any discrepancies. Ensure that all required fields are populated and that the data types are correct.
  Update Data Model: If there have been changes to the data model, ensure that the application is updated accordingly. This may involve regenerating the service or updating the metadata.
  Check Configuration: Review the configuration settings in the SAP Gateway and Fiori application to ensure they are set up correctly.
  Debugging: If the issue persists, consider debugging the application to trace where the validation is failing. This may provide insights into what specific data is causing the issue.
  Consult Documentation: Refer to SAP documentation or community forums for any known issues or updates related to the specific version of the software you are using.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error code or message in the SAP Support Portal.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /IWFND/MAINT_SERVICE for managing OData services and /IWFND/GW_CLIENT for testing OData services.
  
  By following these steps, you should be able to identify the root cause of the schema validation error and implement a solution to resolve it.