Onboarding to Strata Cloud Manager error message: "failed to send bootstrap push to device"

Following the firewall onboarding procedures outline here, you may encounter an error when doing the device push.

Device Status
Connectivity
- Connected

Routing Status
- Routing mode matched

Strata Cloud Manager: Advanced
000900000xxxxxx: Advanced

Bootstrap Status
- Failed to send bootstrap push to device

Strata Cloud Manager

This error may appear when you are attempting to onboard a firewall with pre-existing configuration.

Start your firewalls from a clean state then onboard the firewall.

Onboard a Firewall
https://docs.paloaltonetworks.com/ngfw/administration/onboard-devices-and-deployments/onboard-your-devices/onboard-a-firewall