Wikimedia Bugzilla is closed!

I have installed OCG yesterday on two Ubuntu servers (precise & trusty) and the conclusion was that the generated latex was not compiling due to many errors (most of the time (/usepackage ones). To get it working on both of them (but all the errors did happen on both of them I had to:

$ git diff lib/index.js 
diff --git a/lib/index.js b/lib/index.js
index 98a1a98..b5cb769 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -70,12 +70,12 @@ var STD_HEADER = [
        "",
        "\\documentclass[10pt,twocolumn,twoside,fleqn]{article}",
        "\\pagestyle{headings}",
-       "\\usepackage{fontspec, xunicode, polyglossia, graphicx, xltxtra}",
+       "\\usepackage{fontspec, amssymb, xunicode, polyglossia, graphicx, xltxtra}",
        "\\usepackage{amsmath,amsthm,amstext,amssymb}",
        "\\usepackage[usenames]{xcolor}",
        "\\definecolor{linkcolor}{rgb}{.27,0,0}",
        "\\definecolor{citecolor}{rgb}{0,0,.27}",
-       "\\usepackage[unicode,colorlinks,breaklinks,allcolors=linkcolor,linkcolor=citecolor]{hyperref}",
+       "\\usepackage[unicode,colorlinks,breaklinks,linkcolor=citecolor]{hyperref}",
        "\\urlstyle{same}",
        // This is a documented workaround for including SVGs with RGB colors and/or
        // transparency; see:

For "allcolors=linkcolor", here is the error:
name=RendererError, message=! Package xkeyval Error: `allcolors' undefined in families `Hyp'., stack=RendererError: ! Package xkeyval Error: `allcolors' undefined in families `Hyp'.

For ammsymb which should be included before xunicode, here is the error:
name=RendererError, message=! LaTeX Error: Command `\Finv' already defined., stack=RendererError: ! LaTeX Error: Command `\Finv' already defined.