NameError: uninitialized constant ActiveRecord::DatabaseConfigurations:: ConnectionUrlResolver::URI
This blog posts explains how to get rid of the NameError when using the sinatra-activerecord gem with ActiveRecord 6.1. ...
Debugging
ActiveRecord::StrictLoadingViolationError for ActionText::RichText
This blog posts explains how to get rid of the StrictLoadingViolationError when using ActionText. ...
Undefined method `name' for nil:NilClass in AddServiceNameToActiveStorageBlobs
This blog posts explains how to get rid of the Undefined method error when migration ActiveStorage from Rails 6.0 to 6.1. ...