Odata Connector error 404 and 500

Hi Keerti 

In Service or in Desktop ? 

You can troubleshooting your issue by these similar cases below .

https://social.technet.microsoft.com/Forums/office/en-US/181a173d-a6c7-4e94-8adf-ee4a543f49dc/im-getting-datasourcenotfound-odata-request-failed-404-error-when-open-connection?forum=powerquery

https://stackoverflow.com/questions/55318126/powerbi-desktop-returning-404-getting-odata-api-but-works-fine-in-fiddler

https://community.powerbi.com/t5/Desktop/Connecting-to-a-SharePoint-List-Office-365-error/td-p/10075

https://community.powerbi.com/t5/Desktop/OData-Request-failed-404-The-remote-server-returned-an-error-404/td-p/1135937

https://community.powerbi.com/t5/Desktop/OData-Request-failed-404-The-remote-server-returned-an-error-404/m-p/1135937

https://community.powerbi.com/t5/Desktop/Power-BI-Desktop-issues-with-OAuth-and-OData-Feed/m-p/1994471

https://community.powerbi.com/t5/Desktop/Dynamics-365-connector-404-Not-found-error-with-OData-Version-3/m-p/2090794

Best Regards,
Community Support Team _ Ailsa Tao