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%2F2019%2F01%2FDoktoratur%C3%AB_n%C3%AB_Fizik%C3%AB_Lorena_Kelo-1.pdf but this site is: https://unitir.edu.al