Beasts with many mods can't be captured

Beasts with many mods can't be captured and added to beastiary
This problem happens every time when there are a huge amount of modifiers on the beast. I don't have the exact number, but think more than 16, since I have several beasts in my inventory with a maximum of 16 mods.
Video:https://www.youtube.com/watch?v=mFb8GUYTp5k&ab_channel=Viktor

Maximum mods beast: