Issue while trying to Import API from Swagger

Hello Team,
As part of POC I am evaluating Katalon Studio Enterprise against ReadyAPI for API testing. However, I am getting stuck while trying to Import Json (URL and file) from Swagger with the following error message:

Note: Importing the same Json file is working fine with ReadyAPI

Please help me with the resolution, so that can proceed with the POC

Thanks,
Nishant

Following this thread as I’m also evaluating Katalon as part of my research for automating tests for REST API…