Error message when connecting GIT & Heroku

Hi
Im getting the below error when connecting to Heroku - please help

To see why this extension failed to compile, please check the mkmf.log which can
remote: be found here:
remote:
remote: /tmp/build_92fd8d4462eb6eebdf24e0596ab3fd28/vendor/bundle/ruby/2.4.0/extensions/x86_64-linux/2.4.0-static/sqlite3-1.3.13/mkmf.log
remote:
remote: extconf failed, exit code 1
remote:
remote: Gem files will remain installed in
remote: /tmp/build_92fd8d4462eb6eebdf24e0596ab3fd28/vendor/bundle/ruby/2.4.0/gems/sqlite3-1.3.13
remote: for inspection.
remote: Results logged to
remote: /tmp/build_92fd8d4462eb6eebdf24e0596ab3fd28/vendor/bundle/ruby/2.4.0/extensions/x86_64-linux/2.4.0-static/sqlite3-1.3.13/gem_make.out
remote:
remote: An error occurred while installing sqlite3 (1.3.13), and Bundler cannot
remote: continue.
remote: Make sure that gem install sqlite3 -v '1.3.13' succeeds before bundling.
remote:
remote: In Gemfile:
remote: sqlite3
remote:
remote: !
remote: ! Failed to install gems via Bundler.
remote: ! Detected sqlite3 gem which is not supported on Heroku:
remote: ! https://devcenter.heroku.com/articles/sqlite3
remote: !
remote: ! Push rejected, failed to compile Ruby app.
remote:
remote: ! Push failed
remote: Verifying deploy…
remote:
remote: ! Push rejected to vast-woodland-76886.
remote:
To https://git.heroku.com/vast-woodland-76886.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to ‘https://git.heroku.com/vast-woodland-76886.git

The error contains all you need:
Detected sqlite3 gem which is not supported on Heroku.

The problem is you can’t use sqlite3 on Heroku. They provided even the explanation web page, so remove your sqlite3 project dependency and you can continue.