# Tag Info

5

This warning is issued during package loading as biblatex attempts to patch certain commands (using etoolbox). So, there's no way of avoiding this message directly without editing a .sty file (biblatex2.sty in this case) or using alternate means... like the silence package. \documentclass{beamer} \usepackage{silence,lmodern} ...

4

The package iwona sets the math fonts in a way that's incompatible with fontaxes, which is required by libertine. The warning does not depend on the class, as it shows also with the article class as soon as one issues \boldmath which llncs.cls does when section titles are typeset. You get the same result, with no warning or error, by defining directly ...

2

Silencing the warning is not the answer: the output is incorrect because a sans serif font is used instead of a sans serif one. The problem is that the Latin Modern Sans fonts don't have a small caps variant. Here's the output you get which clearly shows the wrong font. Redefine \mkbibacro, instead: \documentclass{beamer} \usepackage{silence} ...

2

You can get a bit more information about the boxes by adding \showboxdepth100 \showboxbreadth100 to the top of the file, then look in the log. Note the lines are all reported at \begin{document} as this class incorporates the command usually known as \maketitle into the \begin{document} setup. The commands for author, address etc do not typeset anything ...

1

The command for the label with uppercase letter is not defined and that’s why the hyperref package is complaining. You have to define the command yourself: \newcommand*{\Appendixautorefname}{Appendix} Include this after loading the hyperref package and before beginning the actual document and it should work just fine.

1