Getting 504 while connecting the EKS cluster from the Terraform Cloud

We have our Terraform setup in the open-source version. As part of our migration to Terraform Cloud, we are encountering a 504 error when trying to access the EKS environment from Terraform Cloud. However, our production setup in Terraform Cloud is working as expected. We have thoroughly reviewed the configurations between production and development, and everything appears to be identical.

We have tried implement the same set up in the Dev also. We have replicated everything same. But we are facing this issue.

Resulting the following error:

Error: Get "https://<id.region>.eks.amazonaws.com/api?timeout=32s": dial tcp <IP>:443: i/o timeout  
Error: Get "https://<id.region>.eks.amazonaws.com/api/v1/namespaces/kube-system/configmaps/aws-auth": dial tcp (IP):443: i/o timeout