Fixes for Errors I Have Come Across Using Rails

rails_errors_and_fixes.md

Error: RecordNotFound Couldn't find User with 'id'="

Fix: as outlined on so

def current_user
  @current_user ||= User.find_by(id: session[:user_id]) if session[:user_id]
end

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Error: Tables not found in heroku error, such as in the case

ActionView::Template::Error (PG::UndefinedTable: ERROR: relation "events" does not exist

Fix: as outlined on so

In Heroku console: rake run db:schema:load