ruby on rails - Heroku run rake db:migrate command error -

I made Rails app follow this guide but when I run every run rake db: migrate Command Return Error: Error: Permission denied - Connect (2) (Erra :: EACES)

Renew Migration

  Class CreatePosts & lt; ActiveRecord :: Migration Def changed: make_table: posts do | T | T.string: tilte t.timestamps end end   
  UPDTE 2  heroku config  
  === Powerful- eyrie- 5396 config Vars DATABASE_URL: postgres: // bqfsdarajfpdlk: 4nU5FON87juyFwSdaX7Sr3Aicl@ec2-54-225-89-245.compute-1.amazonaws.com: 5432 / d65593ob81m9g8 HEROKU_POSTGRESQL_COBALT_URL: postgres: // bqfsdarajfpdlk: 4nU5FON87juyFwSdaX7Sr3Aicl @ ec2-54-225- 89-245.compute-1.amazonaws.com:5432/d65593ob81m9g8   
  update3  heroku command backrace  
  Error: Permission denied - Connect (2) (errno :: EACCES) trace-tracking: /var/lib/stickshift/51bef7595973caa43f000531/app-root/data/lib/ruby/gems/gems/heroku-2.39.4/lib/heroku/ Client / rendezvous.rb: 40: in 'start' / var / lib / stickshift / 51bef7595973caa Open `` block / var / lib / stickshift / 51bef7595973caa43f000531 / app in 43f000531 / app-root / data / lib / ruby ​​/ gems / gems / heroku-2.39.4 / lib / heroku / client / rendezvous.rb: 40: -root / data / lib / ruby ​​/ gems / gems / heroku-2.39.4 / lib / heroku / client / rendezvous.rb: 40: in Initiate '/ op T / rh / ruby193 / root / usr / share / deep Red color / timeout.rb: 69: /var/lib/stickshift/51bef7595973caa43f000531/app-root/data/lib/ruby/gems/gems/heroku-2.39 .4 / lib / heroku / client / rendezvous in `timeout ' .rb: 31: 'start' /var/lib/stickshift/51bef7595973caa43f000531/app-root/data/lib/ruby/gems/gems/heroku-2.39.4/lib/ in Heroku / order / run.rb: 132: .rb: 119: `run_attached 'in` rendezvous_session' /var/lib/stickshift/51bef7595973caa43f000531/app-root/data/lib/ruby/gems/gems/heroku-2.39.4/lib/heroku/command/run Var / lib / stickshift / 51bef7595973caa43f000531 / app-root / data / lib / ruby ​​/ gems / g Ems / heroku-2.39.4 / lib / heroku / command / run.rb: 24: /var/lib/stickshift/51bef7595973caa43f000531/app-root/data/lib/ruby/gems/gems/heroku-2.39 in `index ' .4 / lib / heroku / command.rb: 206: in 'run' / var / lib / stickshift / 51bef7595973caa43f000531 / app-root / data / lib / ruby ​​/ gems / gems / heroku-2.39.4 / lib / Heroku / cli.rb: 28: `current '/ var / lib / stickshift / 51bef7595973caa43f000531 / in-app / root / data / lib / / / gemstone / gemstone / heroica -2.39.4 / bin / hiroku: 17: Lt; Top (required) & gt; '/ Var / lib / stickshift / 51bef7595973caa43f000531 / app-root / data / lib / ruby ​​/ gems / bin / heroku: 23: `load' / var / lib / stickshift / 51bef7595973caa43f000531 / app-root / data / lib / Ruby / gemstone / bin / lenght: 23: `& lt; Main & gt;    
 
 
 First try to reset your database  
 < Code> heroku PG: reset DATABASE   
 then  
  horoku run rake db: migrate