Error with report class

Question

I am using the following packages for writing a document

\documentclass[12pt,a4paper,twoside]{report}
\usepackage[subpreambles=true]{standalone}


\usepackage[utf8]{inputenc}
\usepackage[english]{babel}
\usepackage{import}
%\usepackage[a4paper, inner=2.5cm, outer=2.5cm, top=2.5cm,bottom=2.5cm, bindingoffset=1.25cm, twoside]{geometry}
\usepackage[a4paper, inner=2.5cm, outer=2.5cm, top=3.5cm,bottom=3.5cm, bindingoffset=1.25cm, twoside]{geometry}
\usepackage{array,longtable}
\usepackage{amsfonts}
\usepackage{amsmath}
\usepackage{color,soul}
\usepackage{graphicx}
\usepackage{setspace}
\usepackage{ragged2e}
\usepackage{enumitem}
\usepackage{lscape}
\usepackage{booktabs}
\usepackage[round]{natbib}
\usepackage{array,multirow,multicol}
\usepackage{setspace}
\usepackage{hyperref}
\usepackage{ltablex}
\usepackage{rotating}
\usepackage{amsmath}
\usepackage[titletoc]{appendix}
\usepackage{cite}
\usepackage{lmodern}
\usepackage{kpfonts}
\usepackage{mathptmx}
\usepackage[T1]{fontenc}
\usepackage{titlesec}
\usepackage{microtype}
\usepackage{tikz}
\usepackage{textcase}
% Load the package with the acronym option
%\usepackage[acronym]{glossaries}
%\usepackage{glossaries}
\usepackage{glossariX}
\usepackage{breakcites}
\usepackage{tabularx}
\usepackage{multirow}
\usepackage{csquotes}
\usepackage{float}
\usepackage{quotchap}
\usepackage{makecell}
\usepackage[edges]{forest}
\usepackage{caption}
\usepackage{longtable}
\usetikzlibrary{fit}
\setcellgapes{5pt}
\makegapedcells
\usepackage{fancyhdr}
%\usepackage[Glenn]{fncychap}
\usepackage{hyperref}
\usepackage{array}
%\usepackage{tabto}
%\newcolumntype{L}{>{\centering\arraybackslash}m{3cm}}

\pagestyle{fancy}           % Sets fancy header and footer

This is the error I am getting:

standalone.sty line 555 Extra }, or forgotten \endgroup. }