Text goes over page end

Question

Somehow suddenly the text of my work is going over the rim of the page. It never does that before. Maybe a \usepackage is missed. I could not find the answer so far.

Usually it looks like this.

\usepackage{ngerman}
\usepackage{times}
\usepackage[utf8]{inputenc}
\usepackage{graphicx}
\usepackage[top=3cm, bottom=3cm,left=2.5cm,right=2.5cm]{geometry}
\usepackage{booktabs}
\usepackage{array}
\usepackage[table,xcdraw]{xcolor}
\usepackage[round]{natbib}
\usepackage[hyphens]{url}
\usepackage[font=footnotesize, labelfont=bf, textfont=it,skip=2pt]{caption}
\usepackage{gensymb}
\usepackage{float}
\usepackage[LGRgreek]{mathastext}
\usepackage[toc,page]{appendix}
\usepackage{siunitx}
\usepackage{chemformula}
\usepackage{wrapfig}
\usepackage{floatflt}
\usepackage{tabularx}
\usepackage{pdflscape}
\usepackage{dirtytalk}
\usepackage{verbatim}
\usepackage{chngcntr}
\usepackage[hidelinks]{hyperref}
\usepackage{titlesec}
\usepackage{graphicx}
\usepackage{xcolor}
\usepackage{booktabs}
\usepackage{multirow}
\usepackage{rotating,tabularx}
\usepackage{paracol}

I am doing a paracol part with switch column on this part. Maybe that is somehow a problem for the program?

Thanks in advanced