Mushroom Observer import tool

Using the website

Browser -----------Microsoft explorer

The mushroom observer tool is not working.

I Paste the API key in and after a few a message says
Errors:
API key is not valid

I asked Jason From Mushroom observer to look into it to see if it was on their end.
I was told
The API key you’re using are both valid and verified. And does not think its on their side.

URLs (aka web addresses) of any relevant observations or pages:

Screenshots of what you are seeing (instructions for taking a screenshot on computers and mobile devices: https://www.take-a-screenshot.org/):

Description of problem (please provide a set of steps we can use to replicate the issue, and make as many as you need.):

Step 1:

Step 2:

Step 3: