404. That’s an error.
The requested URL /bookmarks/mark?op=add&hl=de&bkmk=https%3A%2F%2Fwebheimat%2Eat%2FVeranstaltung%2FAdventmaerkte%2FAdventmaerkte%2DSalzburg%2Ehtml&title=Adventm%C3%A4rkte%20in%20Salzburg&annotation=Adventm%C3%A4rkte%20in%20Salzburg%20%2D%20%C3%9Cbersicht%20der%20Adventm%C3%A4rkte%20in%20Salzburg
was not found on this server. That’s all we know.