Crashed when running the app

[ferryarman]

Hi, just want to report this issue.

My Android phone has been connected through USB.
Any advice ?

$ adb devices
List of devices attached
HT69X0200652	device

 [nodemon] 1.19.4
 [nodemon] to restart at any time, enter `rs`
 [nodemon] watching dir(s): *.*
 [nodemon] watching extensions: js,mjs,json
 [nodemon] starting `node ./server index.js`
 events.js:174
       throw er; // Unhandled 'error' event
       ^

 Error: spawn adb ENOENT
     at Process.ChildProcess._handle.onexit (internal/child_process.js:240:19)
     at onErrorNT (internal/child_process.js:415:16)
     at process._tickCallback (internal/process/next_tick.js:63:19)
     at Function.Module.runMain (internal/modules/cjs/loader.js:757:11)
     at startup (internal/bootstrap/node.js:283:19)
     at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)
 Emitted 'error' event at:
     at Process.ChildProcess._handle.onexit (internal/child_process.js:246:12)
     at onErrorNT (internal/child_process.js:415:16)
     [... lines matching original stack trace ...]
     at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)