It hasn't been that long, be patient and just wait for their reply.
Btw, they have an account here, which is active answering customer queries.
So, another option for you is to post your concern in their: Official BitPanda Support Thread : https://bitcointalk.org/index.php?topic=1680230.0EDIT: by checking the last page of the thread, I saw that you did post there and BitPanda already replied (check back just in case you haven't seen it yet)