If you are having problems with Sims 3 custom content, or .package files, make sure you read everything at http://simswiki.info/wiki.php?title=Game_Help:Installing_Sims_3_Package_Files .
(Important: On that page, click the links that pertain to your particular situation. Those links are where all the details are.)
I hope this helps.
PACKAGES: PROBLEMS WITH SIMS 3 PACKAGE FILES Tags: PACKAGES: PROBLEMS WITH PACKAGES