documentclass {report}

usepackage[utf8]{inputenc}

DeclareUnicodeCharacter{B0}{textdegree}

usepackage[T1]{fontenc}

usepackage{textcomp}

usepackage{amsmath}

usepackage{amssymb}

usepackage{longtable}

usepackage{rotating}

usepackage{todonotes}

usepackage{enumerate}

usepackage[hyphenbreaks]{breakurl}

usepackage[backend=biber, citestyle=authoryear,sorting=nyt,natbib=true,ibidtracker=true]{biblatex}
addbibresource{test.bib}