CLASSROOMIO-T-48: Error 500 Page

This is for the readjustment of the error page.

Co-authored-by: Rotimi Best <rotimiibitoyebest@yahoo.co.uk>
Co-authored-by: Rotimi Best <rotimiibitoyeemma@gmail.com>
Co-authored-by: Tunji Adeyemi <tunji@digdippa.com>
Co-authored-by: tunny17 <tvnji17@gmail.com>


Merge-request: CLASSROOMIO-MR-15
Merged-by: Best Admin <digdippa@gmail.com>

src/components/Modal/index.svelte

@@ -12,8 +12,10 @@
 
   afterUpdate(() => {
     if (open) {
+      if (!document) return;
       document.getElementsByTagName('body')[0].style.overflow = 'hidden';
     } else {
+      if (!document) return;
       document.getElementsByTagName('body')[0].style.overflow = 'auto';
     }
   });