Hi @Deepak Suwal ,
Please refer the below KB article for the reported error and follow the steps:
If you are still facing an issue then please create a support case
How to create a support case :
if you don't have access to the above link, email the AA Support team "email@example.com" to get the access.
Already have an account? Login
Enter your username or e-mail address. We'll send you an e-mail with instructions to reset your password.
Sorry, we're still checking this file's contents to make sure it's safe to download. Please try again in a few minutes.
Sorry, our virus scanner detected that this file isn't safe to download.