Don't bother, restarted to work again.
I have made a mess in my oacs installation, maybe I'll have to reinstall from scratch. Please, don't reprehend me, but as I want to reinstall some packages, after I have changed them, i made the version number greater at the *.info file.
There is a way to force the system to reinstall a package, even wtih lower version numbers? That would avoid me the work, but I didn't find anything in APM.