I found problem with teaming procedure, when player gets on horse, he or she will remain on it until half life 3 will be released(basically forever, horse just won't team or even throw player off from it)
I tried it with different game modes but effect stays the same.
~Greetings from Poland.
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System just found it's duplicate, so just ignore it cause when I was searching for similar issues I cound't find any of them.