hi, i ran a aptitude upgrade and since this moment tex doesn't work anymore i get a math_image_error

apparently tex can't find the latex-path with article.cls, defined by the env variable texinputs i don't know where to set it and to what to make it work again

thanks in advance robert

this is the logoutput

######################### This is pdfeTeXk, Version 3.141592-1.21a-2.2 (Web2C 7.5.4) (format=latex 2007.3.1) 2 FEB 2008 13:39 entering extended mode %&-line parsing enabled. **31613_55bfcc1ccffe7d5d5054bdbda6cd8103.tex (./31613_55bfcc1ccffe7d5d5054bdbda6cd8103.tex LaTeX2e <2003/12/01> Babel <v3.8d> and hyphenation patterns for american, french, german, ngerman, b ahasa, basque, bulgarian, catalan, croatian, czech, danish, dutch, esperanto, e stonian, finnish, greek, icelandic, irish, italian, latin, magyar, norsk, polis h, portuges, romanian, russian, serbian, slovak, slovene, spanish, swedish, tur kish, ukrainian, nohyphenation, loaded.

! LaTeX Error: File `article.cls' not found.

Type X to quit or <RETURN> to proceed, or enter new name. (Default extension: cls)

Enter file name: ! Emergency stop. <read *>

l.3 \pagestyle {empty}^^M *** (cannot \read from terminal in nonstop modes) #########################