Intercom::ResourceNotFound • Events::UpdateIntercomLeadWorker@default

The requested resource does not exist; check your path and try again
I am going to save the contacts like this in rails:
@intercom.contacts.save(lead)
i got he above error 
 

def find_lead(lead_id)

begin

@intercom.contacts.find(id: lead_id)

rescue Intercom::ResourceNotFound

return nil

end

end