Как починить отладчик lldb?

Question

[Gurchan]

После краша программы терминал выдал такой месдж:
Debug info from gdb:

lldb: error: unable to find utility "lldb", not a developer tool or in PATH

=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================