Rails　マイグレーションファイル　rollbackができない　修正したい

マイグレーションファイルを変更したく、一度すべてやり直したいのですがうまくいきません。
何をする必要があるのでしょうか。

$ docker-compose run --rm api bin/rails db:rollback
Starting home_care_navi_db_1 ... done
rails aborted!
ActiveRecord::UnknownMigrationVersionError: 

No migration with version number 20200813061344.

/usr/local/bundle/gems/activerecord-6.0.3.1/lib/active_record/migration.rb:1169:in `move'
/usr/local/bundle/gems/activerecord-6.0.3.1/lib/active_record/migration.rb:1047:in `rollback'
/usr/local/bundle/gems/activerecord-6.0.3.1/lib/active_record/railties/databases.rake:225:in `block (2 levels) in <main>'
/usr/local/bundle/gems/railties-6.0.3.1/lib/rails/commands/rake/rake_command.rb:23:in `block in perform'
/usr/local/bundle/gems/railties-6.0.3.1/lib/rails/commands/rake/rake_command.rb:20:in `perform'
/usr/local/bundle/gems/railties-6.0.3.1/lib/rails/command.rb:48:in `invoke'
/usr/local/bundle/gems/railties-6.0.3.1/lib/rails/commands.rb:18:in `<main>'
/usr/local/bundle/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
/usr/local/bundle/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
/usr/local/bundle/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
/usr/local/bundle/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
/usr/local/bundle/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
/usr/local/bundle/gems/activesupport-6.0.3.1/lib/active_support/dependencies.rb:324:in `block in require'
/usr/local/bundle/gems/activesupport-6.0.3.1/lib/active_support/dependencies.rb:291:in `load_dependency'
/usr/local/bundle/gems/activesupport-6.0.3.1/lib/active_support/dependencies.rb:324:in `require'
bin/rails:4:in `<main>'
Tasks: TOP => db:rollback
(See full trace by running task with --trace)