I was working with a webshop and having an added theme (newestore-pro). There must be something wrong with the theme, because after having clicked "remove block" (latest post?) when "customizing" the page (contact us) the whole site crached. Are the widgets connected to a page linked in the database? If so, in what table? Could the php-templates have been modified?

The page started working, but I leave the question, since it might be good to know the way to alter widgets "codewise".