hello and thanx,
yes, sorry, i should have included this message, which appears right after calling the site in the browser:
Diese Seite funktioniert nicht
domain.eu kann diese Anfrage momentan nicht verarbeiten.
HTTP ERROR 500
i again have to say, that it just happened!
whithout any changes on my side on the server.
i still try to find out, if some files where changed , or whatever....
anyway, thanx for helping.
stan