fixed null pointer on phmx

resources/views/app/patient/canvas-sections/pmhx/summary.php

@@ -85,7 +85,8 @@ else {
     endfor;
 
     // custom fields
-    if(count($contentData['customFields'])):
+    
+    if(isset($contentData['customFields']) && count($contentData['customFields'])):
         ?> <div class="mt-2"> <?php
         for ($i = 0; $i < count($contentData['customFields']); $i++):
             $item = $contentData['customFields'][$i];