Welcome to the Make community!
Have you seen these previous discussions?
It has been like this since the start of this year, and there are workarounds discussed —
For more information, also see these discussions on similar threads:
- Is the Google Sheets to Make app down for anyone else
- Google-sheets make extention not showing in menu
- I am finding Make extension for google sheet
You can search this forum for existing answers, and also use the documentation in the Help Centre to get to a solution faster, and also help keep the forum organised. Thanks for your cooperation!
Hope this helps! Let me know if there are any further questions or issues.
— @samliew
P.S.: investing some effort into the tutorials in the Make Academy will save you lots of time and frustration using Make!