If you haven't gotten any impressions after a week, there's definitely a problem.
Make sure to check if your targeting is too specific or if it's missing the right audience.
Also, look at your bidding strategy and daily budget to see if they're competitive enough.
Don't forget to check if your landing page is working properly and follows the ad rules.
If you're still having issues, reach out to the support team of the ad platform for a more detailed look at your account.