fixed validation so empty titles cant be submitted

src/Form/RoblibIllLoanForm.php

@@ -76,6 +76,7 @@ class RoblibIllLoanForm extends FormBase
         \Drupal::moduleHandler()->loadInclude('upei_roblib_ill', 'inc', 'includes/db');
         upei_roblib_ill_log_request($payload, $err);
       }
+    }
 
       $trigger = $form_state->getTriggeringElement();
       if ($trigger['#value'] != 'Lookup DOI' && empty($form_state->get('step'))) {
@@ -86,7 +87,6 @@ class RoblibIllLoanForm extends FormBase
           $form_state->setErrorByName('Title', t('Item Type is required.'));
         }
       }
-    }
   }
 
   /**
@@ -531,4 +531,4 @@ Freedom of Information and Protection of Privacy Act and will be protected
     return $form;
   }
 
-}
+}