Hi,

Many users already reported about this issue here:
https://forums.autodesk.com/t5/autocad-for-mac-forum/magic-mouse-left-click-functionality-error/td-p...

http://forums.autodesk.com/t5/autocad-for-mac-forum/commands-don-t-start-after-clicking-button-tool-...

http://forums.autodesk.com/t5/autocad-for-mac-forum/lt-2017-for-mac-problems-with-mouse/td-p/6763489

So we have to wait for the solution (update, hotfix) from the developers.

Maxim