Hello there @Rubzk I'm afraid to inform you that your request will be denied. We do not recover Pokemon lost to crashes. I am truly sorry for the loss but I'm afraid that nothing can be done.
On a more positive note, it was recently announced that players will be compensated for the recent server instability. Keep an eye on the announcements section of the official PRO Discord server for updates regarding the compensation.
Since there is no futher action that can be taken, I'll be locking this topic now. Once again, my apologies for the loss. Take care.
Houndstone