After Postman authentication, accessing CDF data in Postman is denied

This post is pursuant to “Postman does not work properly after authorization”.

I have begun the module:

Followed the steps in the instructions.

Environment variables:

Authorization was updated:

Then, to test, I went:  Cognite API collection > "Assets" folder > "List assets" > Send

This gives Error - different to that in post “Postman does not work properly after authorization” - 

Next, I try to list the timeseries data: timeseries > list time series > Send. Whereas in post “Postman does not work properly after authorization”, I got back data, now I get

Q1. Please could someone help me get around this?

Thank you for your support.

Regards,

Doug