Paylogic customers:
Answers to some frequently asked questions: https://customerservice.paylogic.de/?event=Airbeat%20One
Email support: https://customerservice.paylogic.fr/hc/de/requests/new
Resend ticket: https://account.paylogic.com/i-lost-my-tickets
Eventim customers:
Answers to some frequently asked questions: https://www.eventim.de/faq/en_en/?affiliate=EVE