Add Gemfile.plugins

Gemfile.plugins

@@ -0,0 +1,7 @@
+# Used by travis to bundle this plugin with the OpenProject core.
+# The tested plugin will be moved to the path `./plugins/this`
+# whereas OpenProject will be checked out to `.`.
+
+gem 'openproject-two_factor_authentication', path: 'plugins/this'
+
+# If the plugin has any dependencies declare them here:

lib/open_project/two_factor_authentication/token_strategy_manager.rb

@@ -85,7 +85,7 @@ module OpenProject::TwoFactorAuthentication
       # 2FA Plugin configuration
       def configuration
         config = OpenProject::Configuration['2fa'] || {}
-        settings = Setting.plugin_openproject_two_factor_authentication
+        settings = Setting.plugin_openproject_two_factor_authentication || {}
 
         # Allow enforcing from settings if not true in configuration
         config[:enforced] ||= settings[:enforced]