Oracle ora-00054 how to unlock

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  An error occurred while installing pg (1.2.3), and Bundler cannot continue. Make sure that `gem install pg -v '1.2.3' --source 'https://rubygems.org/'` succeeds before bundling.

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  Django.core.exceptions.ImproperlyConfigured: mysqlclient 1.4.0 or newer is required; you have 0.10.1.

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