Welcome to the community @sagarikasingha !
I am not sure if you have been able to resolve the problem yet.
Here is a link to a post by one of the great Staff of fCC, with suggestions on how to fix the problem.
Have your tried the remove and create a new link? I had to do this to get mine to work.
The following link is from within this subforum and has instructions that may help you to resolve the issue, too.
Happy coding! 
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