how to fix error when build android ?

[tocaonguyen]

events.js:154
throw er; // Unhandled 'error' event
^

Error: spawn ndk-build ENOENT
at exports._errnoException (util.js:893:11)
at Process.ChildProcess._handle.onexit (internal/child_process.js:182:32)
at onErrorNT (internal/child_process.js:348:16)
at _combinedTickCallback (internal/process/next_tick.js:74:11)
at process._tickCallback (internal/process/next_tick.js:98:9)