Error after adding cloudflare template

I got this error

FAILED
--------------------
Pups::ExecError: /tmp/add-cloudflare-ips failed with return #<Process::Status: pid 174 exit 2>
Location of failure: /pups/lib/pups/exec_command.rb:112:in `spawn'
exec failed with the params "/tmp/add-cloudflare-ips"
324ff4c2c463f1154f24842253f40dc86e1e2bedd41badd8d956d2c4731ca7ce
** FAILED TO BOOTSTRAP ** please scroll up and look for earlier error messages, there may be more than one

Can you explain how you got to this state?

Have you added the Cloudflare template to your app.yml, or done something else?

Yes

nano containers/app.yml

then added cloudflare and then ./launcher rebuild app