I like the game, but on my friend own server. Animal Pen and Stable is not working at all, You can put calf or cub but the moment you do that! They either disappear or turned into rotten food similar icon! Has this been addressed or been ignored altogether?!
Looks like some problem with your modlist. I run my own private server and raised 5 Horses and lots of Gazelle, Hyenas, Bears etc. without any problems. The last one was a Greater Bear yesterday.
Do you play as it is or do you run some mods?
Welcome to the forum fellow exile. It would be best to give more info about the server you participate. @Ko6ka is a very experienced and respected player through the years in here and never throw bs on table. Please cooperate to try to give you solutions to your issues. Thanks a lot and once again welcome 
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I have a bunch of mods but as far as I know no one of them messes with stables or animal pens.
My friend did something, and change the number of the taming speed to zero! With that settings we could tame animals now!