When self-hosting the mP SDK, verifying that some additional steps have been taken to ensure the integration kits are active is important when no events are forwarding.
You can verify that the kits are active via the following command
mParticle._getActiveForwarders()
The below uses Mixpanel as an example, please replace it with the kit that you're using.
1.) Install the @mparticle/web-mixpanel-kit via NPM
2.) Checked the Package-lock.json to make sure the dependency is included after npm install
3.) include the import in the main index.js file (import Mixpanel from '@mparticle/web-mixpanel-kit')
To learn more, please visit our docs