'Problems accessing azure data explorer free cluster

I am trying use https://dataexplorer.azure.com/freecluster. I have succefully logged in with my personal email id and created a table. I am able to query data run basic commands..etc. Then i was trying to create a java app to query to my data base. So i navigated to this link https://dataexplorer.azure.com/oneclick, and created a java application downloaded it. When i run this sample program it prompts for login but when i give the email id it shows this error. May i know what is going wrong here? enter image description here

NB: I have used the same personal account which i used to login and query to ADX via web UI.



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