Security Error: PDF files must be hosted on the same domain as this site.

PDF is hosted on: http://https%3A%2F%2Funitir.edu.al%2Fwp-content%2Fuploads%2F2020%2F05%2FRregullore-e-komisionit-t%C3%AB-mbar%C3%ABvajtjes-s%C3%AB-veprimtaris%C3%AB-dhe-marr%C3%ABdh%C3%ABnieve-me-student%C3%ABt.pdf but this site is: https://unitir.edu.al