Direction API not working and given the error.

I got the below error while clicking on the direction button. It was given the below error while every time clicks on the direction button.

“DIRECTIONS_ROUTE: REQUEST_DENIED: There was an issue performing a Directions request.”

https://catskillhempco.com/store-locator-page/

PLEASE HELP ME TO SOLVE THIS ISSUE.

The page I need help with: [log in to see the link]