Error: spawn EACCES on a fresh install

Ionic Framework ionic-v3
7

Getting this error:

$ adb shell am start -n "io.ionic.starter/io.ionic.starter.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Error while executing: am start -n "io.ionic.starter/io.ionic.starter.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=io.ionic.starter/.MainActivity }
Error type 3
Error: Activity class {io.ionic.starter/io.ionic.starter.MainActivity} does not exist.

Error while Launching activity