@NeelDas The 400 Bad Request Error in the "Configuring conditional visibility in Constellation Views" challenge often occurs due to invalid data being sent through the DX API. To resolve this, ensure the visibility conditions are correctly set with valid property references and matching data types, as mismatched types can trigger the error. Review the Network tab in the browser's Developer Tools to inspect the API payload and verify that no required fields are missing or incorrectly formatted. Clear your browser cache and reload the application to avoid old configurations causing issues. Simplify the visibility condition by starting with a basic rule and gradually adding complexity to identify the error source. Check if any Data Transforms used in the visibility logic are functioning correctly and returning expected results. Also, ensure all application artifacts are properly saved and updated. If the issue persists, reviewing the DX API logs for detailed error messages can help pinpoint the problem. If needed, consider reaching out to Pega Support with the error details and API payload for further assistance.

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