Have a chat with BAFA at EBAW.
Meanwhile, be aware that, given covid, all class teaching is suspended, and likely to remain so for a good while.
As for the Belgian Civil Aviation Authority: yes they are seriously understaffed. The brave people that remain on the ship do try their best but they have their limits. i doubt however if things are much better with the Dutch - from Holland I hear consistent suggestions to go with AustroControl...