Day 21-Versioning- getting error msg could not send request

🏋️ Training
1

Hi All,
When i execute the script i am getting error msg like this

image
image1920×1080 327 KB

I have created an API name Users and changed the local host to 5000 and gave the version as 0.1 and i linked API with the collection and when i run it throws the error msg
image
image1920×1080 325 KB

can any one help on this . Thank you very much
Regards
Kalpana