Event has been postponed, for the new date in 2021...

Event has been postponed, for the new date in 2021 I am planned on vacation. No reversal of my ticket purchase. Here consumer rights are not fully taken.
"Since the relocation is carried out by the authorities in accordance with the Infection Protection Act, i.e. by a high hand, a cancellation is not possible." This notice has nothing to do with my consumer rights.
Now a lawyer is turned on ..... something like this works more professionally at eventim ...