Hey @Shalinikuruvath .
Thanks for reaching out.
I appreciate the screenshot that you have provided as that is very helpful! Since we are unable to authenticate you for the store over the Community forums to take a further look, we are unable to view the specifics. In this case, I would suggest speaking with our live support about the error you are receiving. You can get in touch with our live support by navigating to the Help Center.
When you arrive at the Help Center, you will need to make the virtual assistant be aware that you would like to Speak with support and you will be connected accordingly.
Let me know if you have any questions.