Issue while running app

Hello,
I encountered an issue where the app got installed on emulator BUT was closed after a while.

the errors that I was able to capture are:

Unable to start application on this device.: An unknown server-side error occurred while processing the command. Original error: Cannot start the ‘com.watchdox.android’ application. Original error: ‘com.watchdox.android.activity.LaunchActivity’ or ‘com.watchdox.android.com.watchdox.android.activity.LaunchActivity’ never started (WARNING: The server did not provide any stacktrace information)

Command duration or timeout: 33.08 seconds

Build info: version: ‘unknown’, revision: ‘unknown’, time: ‘unknown’

System info: host: ‘localhost’, ip: ‘127.0.0.1’, os.name: ‘Mac OS X’, os.arch: ‘x86_64’, os.version: ‘10.12.6’, java.version: ‘1.8.0_102’

Driver info: driver.version: SwipeableAndroidDriver

Refer to Mobile Testing Troubleshooting Guide

and also:

ADB] Incorrect package and activity. Retrying.

[debug] [ADB] Getting focused package and activity

[debug] [ADB] Running ‘/Users/watchdox/.katalon/tools/android_sdk/platform-tools/adb -P 5037 -s emulator-5554 shell dumpsys window windows’

[debug] [ADB] Found package: ‘com.watchdox.android’ and fully qualified activity name : ‘com.watchdox.android.activity.FirstTimeMobileTourActivity’

[debug] [ADB] Incorrect package and activity. Retrying.

[debug] [ADB] Getting focused package and activity

[debug] [ADB] Running ‘/Users/watchdox/.katalon/tools/android_sdk/platform-tools/adb -P 5037 -s emulator-5554 shell dumpsys window windows’

[debug] [ADB] Found package: ‘com.watchdox.android’ and fully qualified activity name : ‘com.watchdox.android.activity.FirstTimeMobileTourActivity’

[debug] [ADB] Incorrect package and activity. Retrying.

[debug] [ADB] Getting focused package and activity

[debug] [ADB] Running ‘/Users/watchdox/.katalon/tools/android_sdk/platform-tools/adb -P 5037 -s emulator-5554 shell dumpsys window windows’

[debug] [ADB] Found package: ‘com.watchdox.android’ and fully qualified activity name : ‘com.watchdox.android.activity.FirstTimeMobileTourActivity’

[debug] [ADB] Incorrect package and activity. Retrying.

[debug] [ADB] Getting focused package and activity

[debug] [ADB] Running ‘/Users/watchdox/.katalon/tools/android_sdk/platform-tools/adb -P 5037 -s emulator-5554 shell dumpsys window windows’

[debug] [ADB] Found package: ‘com.watchdox.android’ and fully qualified activity name : ‘com.watchdox.android.activity.FirstTimeMobileTourActivity’

[debug] [ADB] Incorrect package and activity. Retrying.

it could be related to project >> settings >> execution>> mobile (app activities in katalon ) I tried all combinations that I thought about. I would really appreciate any assistance