java.lang.RuntimeException

FATAL EXCEPTION: create_react_context

java.lang.RuntimeException: Unable to load script. Make sure you're either running Metro (run 'npx react-native start') or that your bundle 'index.android.bundle' is packaged correctly for release.

FATAL EXCEPTION: create_react_context
Process: com.leotm.myapp, PID: 13832
java.lang.RuntimeException: Unable to load script. Make sure you're either running Metro (run 'npx react-native start') or that your bundle 'index.android.bundle' is packaged correctly for release.
	at com.facebook.react.bridge.CatalystInstanceImpl.jniLoadScriptFromAssets(Native Method)
	at com.facebook.react.bridge.CatalystInstanceImpl.loadScriptFromAssets(CatalystInstanceImpl.java:248)
	at com.facebook.react.bridge.JSBundleLoader$1.loadScript(JSBundleLoader.java:29)
	at com.facebook.react.bridge.CatalystInstanceImpl.runJSBundle(CatalystInstanceImpl.java:277)
	at com.facebook.react.ReactInstanceManager.createReactContext(ReactInstanceManager.java:1404)
	at com.facebook.react.ReactInstanceManager.access$1200(ReactInstanceManager.java:136)
	at com.facebook.react.ReactInstanceManager$5.run(ReactInstanceManager.java:1108)
	at java.lang.Thread.run(Thread.java:920)