What gameplay feature is this bug affecting?
Breeding

What's the issue? Please include any error messages you receive and as much detail as possible.
When i tried to send a stud request, I recieved a pop up saying that I had no more space for lions. My lioness slots are full, but i’ve only occupied 27/200 cub slots on my account.

Any links relating to this bug? For example, if a particular lion is bugging, what is the link to that lion?
Stud: https://www.lioden.com/lion.php?mid=253182

Lioness: https://www.lioden.com/lion.php?id=794204184306

Any screenshots you can provide us with?
https://cdn.discordapp.com/attachments/811658961857282061/1185301905052815401/IMG_2167.png?ex=658f1d6c&is=657ca86c&hm=3eef85aa4ed77fd8c1ab50c14442880fdebd100d70feeec7b9af982b785f967e&

https://media.discordapp.net/attachments/811658961857282061/1185301999877636106/IMG_2168.png?ex=658f1d82&is=657ca882&hm=9c0fd953aefd5370db9b584e3a38921925f5c33d72fd9443c9307c3336a5b52a&

Please provide us with step by step explanation how this bug happened so we can attempt to replicate it. If it's complex, please include screenshots where possible:
Tried to send a studding request, studding request didn’t send and I received the strange notification.