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Does the buyer of the Quers-Durch-Land ticket always have to be present?

I have already bought a Quers-Durch-Land ticket but I forgot that my friend, whose name is also on the ticket, needs to reach me before we can begin our day of traveling together. Is that acceptable or does DBahn require the person who purchased the ticket to be present? Both my name and the other persons name are on the ticket but the ticket just says that I bought it and I won't be present when she rides one of the trains to meet me.