Cannot Access the TestFligh due to invitaion code is not diplaying in the email

I have been trying to access the test flight since yesterday but was not able to access instead it displayed the below message.

"Before you can start testing, a developer has to invite you to test one of their TestFlight apps.To accept an invite, click on the link in the email or enter invitation redeem code" - Attached the scrrenshot

Once I clicked on redeem there is a pop-up displayed that asked me to enter the Test flight invitation code which I did not get. - Attached the screenshot

This is purely to test the Chrome beta version to test the compatibility and not any personal apps. Can someone help me out to solve this issue?

Cannot Access the TestFligh due to invitaion code is not diplaying in the email
 
 
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