So I'm having this problem. When i try to start play the game/steam gives me this error:

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Dyld Error Message:
Library not loaded: @executable_path/../Frameworks/libubiorbitapi_r2_loader.dylib
Referenced from: /Users/alekseianipreev/Library/Application Support/Steam/SteamApps/common/Assassins Creed Brotherhood/Assassin's Creed Brotherhood.app/Contents/MacOS/scimitar_sf
Reason: no suitable image found. Did find:
/Users/alekseianipreev/Library/Application Support/Steam/SteamApps/common/Assassins Creed Brotherhood/Assassin's Creed Brotherhood.app/Contents/MacOS/../Frameworks/libubiorbitapi_r2_loader.dylib: unknown required load command 0x80000022
/Users/alekseianipreev/Library/Application Support/Steam/SteamApps/common/Assassins Creed Brotherhood/Assassin's Creed Brotherhood.app/Contents/MacOS/../Frameworks/libubiorbitapi_r2_loader.dylib: unknown required load command 0x80000022

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Please some one help me?