#209584 by Rob Loach: 404/403 validation is also done in runtime so to allow...

#209584 by Rob Loach: 404/403 validation is also done in runtime so to allow more flexibility here, remove the submission time validation

modules/system/system.admin.inc

@@ -1217,26 +1217,9 @@ function system_error_reporting_settings() {
     '#description' => t('Specify where Drupal, PHP and SQL errors are logged. While it is recommended that a site running in a production environment write errors to the log only, in a development or testing environment it may be helpful to write errors both to the log and to the screen.')
   );
 
-  $form['#validate'][] = 'system_error_reporting_settings_validate';
-
   return system_settings_form($form);
 }
 
-/**
- * Validate the submitted error reporting form.
- */
-function system_error_reporting_settings_validate($form, &$form_state) {
-  // Validate paths to 403 and 404 error pages.
-  $item = array('link_path' => $form_state['values']['site_403']);
-  if (!empty($item['link_path']) && !menu_valid_path($item)) {
-    form_set_error('site_403', t("The path '@path' is either invalid or you do not have access to it.", array('@path' => $item['link_path'])));
-  }
-  $item = array('link_path' => $form_state['values']['site_404']);
-  if (!empty($item['link_path']) && !menu_valid_path($item)) {
-    form_set_error('site_404', t("The path '@path' is either invalid or you do not have access to it.", array('@path' => $item['link_path'])));
-  }
-}
-
 /**
  * Menu callback; Menu page for the various logging options.
  */