1

There are two errors over line 1 of my text

1) No "backend" specified, using Biber backend

2) 'babel/polyglossia' detected but 'csquotes' missing.

here is a sample of the document

    \documentclass[12pt]{article}
    \textheight 650pt
    \textwidth 6in
    \voffset -1cm
    \hoffset -0.75cm

    \input epsf
    \def\figin{\epsfcheck\figin}\def\figins{\epsfcheck\figins}
    \def\epsfcheck{\ifx\epsfbox\UnDeFiNeD
    \message{(NO epsf.tex, FIGURES WILL BE IGNORED)}
    \gdef\figin##1{\vskip2in}\gdef\figins##1{\hskip.5in}% blank space instead
    \else\message{(FIGURES WILL BE INCLUDED)}%
    \gdef\figin##1{##1}\gdef\figins##1{##1}\fi}

    \def\figinsert{}
    \def\ifig#1#2#3{\xdef#1{fig.~\the\figno}
    \writedef{#1\leftbracket fig.\noexpand~\the\figno}%
    \figinsert\figin{\centerline{#3}}\medskip\centerline{\vbox{\baselineskip12pt
    \advance\hsize by -1truein\center\footnotesize{  Fig.~\the\figno.} #2}}
    \bigskip\endinsert\global\advance\figno by1}
    \def\footnotefont{}\def\endinsert{}



    \usepackage[utf8]{inputenc}
    \usepackage[english]{babel}
    \usepackage{biblatex}
    \usepackage{amsmath}
    \usepackage{slashed}
    \usepackage{graphicx}
    \usepackage{caption}



    \begin{document}

    text

    \end{document}
  • 1
    A man prayed to God every night to win the lottery. He never did. In heaven tells God how strong his faith was, and he could not believe God let him down like that. God replies, "you needed to meet me half way... you had to buy a ticket." Likewise, for us to help you with code, you need to meet us half way and provide us with some code that demonstrates the problem. – Steven B. Segletes Apr 19 '16 at 16:57
  • What would be useful to see? Because the 4 lines of text that are causing the problem don't have any commands in. Just plain text. – Sam Grill Apr 19 '16 at 17:02
  • 1
    Things like document class, packages used, the specific text that causes the issue. Generally, the questioner (called the OP) posts a Minimum Working Example, starting with \documentclass and ending with \end{document}, in which the problem, boiled down to its essence, can be demonstrated. This saves work for the people otherwise willing to assist you. – Steven B. Segletes Apr 19 '16 at 17:14
  • I've managed to use flush left to remove the badbox warnings but, there are two warnings on the first line still. 1) No "backend" specified, using Biber backend. 2) 'babel/polyglossia' detected but 'csquotes' missing. – Sam Grill Apr 19 '16 at 17:20
  • Your problem complexity is not trivial, now that we know it involves things like biber. Really, you posting code to get us started is the only way to help you. – Steven B. Segletes Apr 19 '16 at 17:23
1

They are just warnings, or in the first case more of a message than a warning. They are not errors, which would cause compilation to stop. Both of them are from the biblatex package.

  1. Missing backend. biblatex allows for different bibliography backends. A backend is in this context the program that reads the citations from auxiliary files, collects the necessary entries from the .bib file, sorts the output and writes a .bbl file that contains the bibliography. If no backend is specified, biber is assumed, and the information written by biblatex is designed for biber. To remove the warning, add backend=biber in the options for biblatex, i.e. \usepackage[backend=biber]{biblatex}.

    That is of course if you want to use biber, if you wish to use bibtex, it's backend=bibtex.

  2. csquotes is package for formatting quotes, with a language dependent style. biblatex recommends to also load this, i.e. have \usepackage{csquotes} in the preamble. If you add that, the warning goes away.

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