While Importing cucumber feature files to Xray ,getting 400: Issue update failed

[K A]

Recently we migrated to jira adcloud, since that time having issue Import cucumber feature files to Xray.

I created a bearer token using 

https://xray.cloud.getxray.app/api/v2/authenticate

Then after I tried to Import using this endpoint.

https://xray.cloud.getxray.app/api/v2/import/feature

But still having 400: issue update failed