Hello @Tan_Quoc_Bao_Nguyen,
This error happens when the lab server reboots when you terraform apply. You could wait for a new lab session to clear those resources or they could be deleted manually from the AWS console. Thank you:
- Select
de-c4w4a1-connection-rdsfrom AWS glue > connections and delete:
- Select
de-c4w4a1-glue-rolefrom IAM > Roles and delete and type the role name:

