diff --git a/Gemfile.lock b/Gemfile.lock
index 9c8596c..f8ed412 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    sp-rails-saml (1.0.2)
+    sp-rails-saml (1.0.3)
       ruby-saml
 
 GEM
diff --git a/app/controllers/saml/sessions_base_controller.rb b/app/controllers/saml/sessions_base_controller.rb
index 45b934f..63da8ad 100644
--- a/app/controllers/saml/sessions_base_controller.rb
+++ b/app/controllers/saml/sessions_base_controller.rb
@@ -11,6 +11,7 @@ def create
       user = setting.user_class.find_by!(setting.user_find_key => params[:email])
       account = user.send(setting.account_class.to_s.downcase.to_sym)
 
+      raise SpRailsSaml::SamlSettingNotFound if account.saml_setting.blank?
       raise SpRailsSaml::SamlLoginForbidden if account.saml_setting.password_only?
 
       if user.blank?
diff --git a/app/controllers/saml/ssos_base_controller.rb b/app/controllers/saml/ssos_base_controller.rb
index 798248f..8cbf5e3 100644
--- a/app/controllers/saml/ssos_base_controller.rb
+++ b/app/controllers/saml/ssos_base_controller.rb
@@ -9,6 +9,7 @@ def consume
       setting = SpRailsSaml::Settings.instance
       account = setting.account_class.find_by!(setting.account_find_key => params[setting.account_find_key])
 
+      raise SpRailsSaml::SamlSettingNotFound if account.saml_setting.blank?
       raise SpRailsSaml::SamlLoginForbidden if account.saml_setting.password_only?
 
       saml_setting = account.saml_setting
diff --git a/lib/sp-rails-saml.rb b/lib/sp-rails-saml.rb
index 1812e1e..fec0923 100644
--- a/lib/sp-rails-saml.rb
+++ b/lib/sp-rails-saml.rb
@@ -20,6 +20,8 @@ class LoginUserNotFound < Error; end
 
   class SamlResponseInvalid < Error; end
 
+  class SamlSettingNotFound < Error; end
+
   autoload :Authnrequest, File.expand_path('./sp-rails-saml/authnrequest', __dir__)
   autoload :SamlResponse, File.expand_path('./sp-rails-saml/saml_response', __dir__)
   autoload :Metadata, File.expand_path('./sp-rails-saml/metadata', __dir__)
diff --git a/lib/sp-rails-saml/version.rb b/lib/sp-rails-saml/version.rb
index 0cb73ba..3c125f4 100644
--- a/lib/sp-rails-saml/version.rb
+++ b/lib/sp-rails-saml/version.rb
@@ -1,3 +1,3 @@
 module SpRailsSaml
-  VERSION = '1.0.2'.freeze
+  VERSION = '1.0.3'.freeze
 end