Germany - if you are invited in court as the witness, but you have a holiday - the lawyer] answer

- Hello, newspaper "Moskovsky komsomolets - Germany"! I received the missive with the invitation in court as the witness. In the letter it is specified that absence without good reason is punished by a penalty of €1000. However — just for this time I planned holiday. I go with group of friends to travel with tent. In other words, I did not reserve plane tickets, the train, hotel. Places for spending the night will spontaneously get out. Tell, please, really I need to refuse holiday and to go on court? Or I can report about the planned holiday which is necessary for the working person in advance? To transfer...