Unity2018 .2 win10 errors like that
beta from download page
That looks like you might have tried to upgrade from the a newer version of the package to the RTS beta, which unfortunately is not possible by just importing the package (UnityPackages are horrible at handling upgrades). Try to delete the AstarPathfindingProject folder and import the RTS package again.
ty, now its working)
When you plan to merge RTS branch stuff to stable release?