Package etexcmds Info: Could not find \expanded.

Con questo preambolo:
`\documentclass[a4paper]{article}
\usepackage[T1]{fontenc}
\usepackage{textcomp}
\usepackage[utf8]{inputenc}
\usepackage[greek,italian]{babel} % teubner carica politonic
\usepackage{fixltx2e}

% font
% \usepackage[osf]{mathpazo}
\usepackage{ebgaramond}
\usepackage[scale]{tgadventor}
\usepackage{teubner}
\Lipsiantrue
\ifFamily{pplj}{lmr}
\ifFamily{qag}{lmss}
\ifFamily{qpl}{lmr}
\usepackage{microtype}
\frenchspacing

% testi numerati
\usepackage

{lineno}
\modulolinenumbers[2]

% testo sansserif a 2 colonne
\usepackage{multicol}
\newenvironment{dblcolquote}
{\begin{multicols}{2}\sffamily\small\parskip=0pt} {\end{multicols}}

% intestazioni
\usepackage{emptypage}
\usepackage{fancyhdr}
\pagestyle{fancy}
\fancyhf{}
\fancyhead[R]{\thepage}
\fancyhead[L]{I Presocratici}
\usepackage{indentfirst}

% versi
\usepackage{verse}
\verselinenumfont{\scriptsize\rmfamily}
\poemlines{2}

% comandi vari
\newcommand{\GR}[1]{\foreignlanguage{greek}{#1}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newcommand{\omissis}{[\textellipsis\unkern]}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newcommand*{\TitleFont}{%
\usefont{\encodingdefault}{\rmdefault}{b}{n}%
\fontsize{24}{20}%
\selectfont}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newenvironment{nullindent}{%
\setlength{\parskip}{1ex plus 0.5ex minus 0.2ex}
\setlength{\parindent}{0pt}}`
nel file di log trovo questo avviso (peraltro il file si compila
perfettamente…):

`(/usr/local/texlive/2013/texmf-dist/tex/latex/tex-gyre/tgadventor.sty
Package: tgadventor 2009/09/10 v1.2 TeX Gyre Adventor as default sans serif fam
ily

(/usr/local/texlive/2013/texmf-dist/tex/latex/oberdiek/kvoptions.sty
Package: kvoptions 2011/06/30 v3.11 Key value format for package options (HO)

(/usr/local/texlive/2013/texmf-dist/tex/generic/oberdiek/ltxcmds.sty
Package: ltxcmds 2011/11/09 v1.22 LaTeX kernel commands for general use (HO)
)
(/usr/local/texlive/2013/texmf-dist/tex/generic/oberdiek/kvsetkeys.sty
Package: kvsetkeys 2012/04/25 v1.16 Key value parser (HO)

(/usr/local/texlive/2013/texmf-dist/tex/generic/oberdiek/infwarerr.sty
Package: infwarerr 2010/04/08 v1.3 Providing info/warning/error messages (HO)
)
(/usr/local/texlive/2013/texmf-dist/tex/generic/oberdiek/etexcmds.sty
Package: etexcmds 2011/02/16 v1.5 Avoid name clashes with e-TeX commands (HO)
Package etexcmds Info: Could not find \expanded.
(etexcmds) That can mean that you are not using pdfTeX 1.50 or
(etexcmds) that some package has redefined \expanded.
(etexcmds) In the latter case, load this package earlier.
))))`

Non ho idea di cosa significo l’avviso relativo al pacchetto etexcmds.
Posso dormire sonni tranquilli? In ogni caso, non mi rendo conto
di come eventualmente dovrei modificare l’ordine di caricamento
dei pacchetti, visto che quello non lo invoco io direttamente

m