Can't use hyperref package with XeLaTeX

Question

I want to achieve a clickable URL in my bibliography using \href. I'm using custom document class for my course work and xelatex, biber to compile in Linux. The problem is that after adding a hyperref package it causes an error.

Full LaTeX template repository.

Packages used:

\documentclass{VUMIFPSkursinis}
\usepackage{algorithmicx}
\usepackage{algorithm}
\usepackage{algpseudocode}
\usepackage{amsfonts}
\usepackage{amsmath}
\usepackage{bm}
\usepackage{caption}
\usepackage{color}
\usepackage{float}
\usepackage{graphicx}
\usepackage{listings}
\usepackage{subfig}
\usepackage{url}
\usepackage[normalem]{ulem}
\usepackage{wrapfig}

If I try to add \usepackage{hyperref} I get this error:

[1] (./kursinis.toc
! Missing \endcsname inserted.
<to be read again> 
                   \csname\endcsname 
l.5 ...tentsline {section}{Įvadas}{2}{section*.2}

?

Lines which causes the error:

\tableofcontents

\sectionnonum{Įvadas}
New paragraph here...

Software versions:

This is XeTeX, Version 3.14159265-2.6-0.99992 (TeX Live 2015/Debian) (preloaded format=xelatex)
biber version: 2.4

Answer 1

if you add hyperref the internal format of references changes so delete the .toc and .aux files then try again –