Is there an existing issue for this?

• I have checked for existing issues https://github.com/getsentry/sentry-javascript/issues
• I have reviewed the documentation https://docs.sentry.io/
• I am using the latest SDK release https://github.com/getsentry/sentry-javascript/releases

How do you use Sentry?

Sentry Saas (sentry.io)

Which package are you using?

@sentry/node

SDK Version

7.8.0

Framework Version

No response

Link to Sentry event

https://sentry.io/organizations/purple-dot/issues/3461674365/?project=1547841

Steps to Reproduce

1. Upgrade Sentry from 6.16.1
2. Capture an error.

Expected Result

Get the actual errors showing in Sentry.io.

Actual Result

Get TypeError: self._handler is not a function errors instead of the real errors.