You can make money of it. You just can't use it to run a SaaS based on Sentry. This is a lot narrower than a general "non-compete" with a very minimal "non-commercial" restriction.

You can provide Sentry-as-a-service but you can't do so commercially.

You can use the Sentry code commercially but you can't use it to provide Sentry-as-a-service commercially.