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%2FDoktoratura-Shqiponje-A%C3%A7ka-Fakulteti-i-Ekonomise-Departamenti-i-Kontabilitetit.pdf but this site is: https://unitir.edu.al