I start using stix package for mathematics arrows , and I get this error along with others which are very similar
-Too many symbol fonts declared. ...ont{arrows2} {LS1}{stixsf} {m}{it}
- Symbol font `arrows2' not defined. ...arrows2} {bold}{LS1}{stixsf} {b}{it}
-Unknown symbol font `arrows2'. ...areSymbolFontAlphabet{\mathsfit}{arrows2}
......
here s my MWE(with all the packages i used):
\documentclass[a4paper,11pt,oneside]{book}
\usepackage[T1]{fontenc}
\usepackage[utf8x]{inputenc}
%\usepackage[utf8]{inputenc}
\usepackage[french,english]{babel}
\usepackage{fourier}
\usepackage{setspace} % increase interline spacing slightly
\usepackage{graphicx,xcolor}
\usepackage{subfig}
\usepackage{booktabs}
\usepackage{lipsum}
\usepackage{microtype}
\usepackage{url}
\usepackage[final]{pdfpages}
\usepackage{fancyhdr}
\usepackage{color}
\usepackage{tikz}
\usepackage[explicit]{titlesec}
\usepackage{bsymb,b2latex}
\usepackage{array}
\usepackage{framed}
\usepackage[square, numbers, comma, sort&compress]{natbib}
\usepackage{verbatim}
\usepackage{vector}
\usepackage{enumerate}
\usepackage{multirow}
\usepackage{alltt}
\usepackage{multicol}
\usepackage{latexsym}
\def\gtA{\ensuremath{\rhd\mkern-14mu-}}
\def\ltA{\ensuremath{\lhd\mkern-14mu-}}
\usepackage[savewrites,nopostdot,toc,acronym,nogroupskip]{glossaries}
\usepackage{oz,amsfonts} %for Z notation
\usepackage{bsymb,b2latex}
\usepackage[notextcomp]{stix}
\usepackage[pdfpagemode={UseOutlines},bookmarks=true,bookmarksopen=true,
bookmarksopenlevel=0,bookmarksnumbered=true,hypertexnames=false,
colorlinks,linkcolor={blue},citecolor={blue},urlcolor={red},
pdfstartview={FitV},unicode,breaklinks=true]{hyperref}
\begin{document}
$ \begin{array}{l}
f \in S \nvrightarrowtail T\\
f \in S \rightarrowtail T \\
f \in S \nvtwoheadrightarrow T\\
f \in S \twoheadrightarrow T\\
f \in S \twoheadrightarrowtail T
\end{array}$
\end{document}
here where you can find the B2latex and bsymb styles : https://drive.google.com/open?id=0By0MmMuqlhl1TEZhYTdVNE5FdGM
thank you for your help