Android Development - error: package com.android.vending.licensing does not exist

I had my build working in development mode but when I put my game in shipping mode, whenever I initialized google mobile ads, it would crash the game. After working on this issue for a week or so, I thought the issue might be an SDK version mismatch. After changing up my versions 34, I began getting this error while trying to package the game:

UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): Z:\app\src\main\java\com\google\android\vending\licensing\LicenseChecker.java:31: error: package com.android.vending.licensing does not exist
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): import com.android.vending.licensing.ILicenseResultListener;
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): ^
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): > Task :app:compileReleaseJavaWithJavac FAILED
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): The following annotation processors are not incremental: lifecycle-compiler-2.0.0.jar (androidx.lifecycle:lifecycle-compiler:2.0.0).
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): Make sure all annotation processors are incremental to improve your build speed.
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): Z:\app\src\main\java\com\google\android\vending\licensing\LicenseChecker.java:32: error: package com.android.vending.licensing does not exist
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): import com.android.vending.licensing.ILicensingService;
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): ^
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): Z:\app\src\main\java\com\google\android\vending\licensing\LicenseChecker.java:70: error: cannot find symbol
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): private ILicensingService mService;
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): ^
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): symbol: class ILicensingService
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): location: class LicenseChecker
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): Z:\app\src\main\java\com\google\android\vending\licensing\LicenseChecker.java:221: error: package ILicenseResultListener does not exist
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): private class ResultListener extends ILicenseResultListener.Stub {
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): ^
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): 4 errors
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): FAILURE: Build failed with an exception.
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): * What went wrong:
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): Execution failed for task ‘:app:compileReleaseJavaWithJavac’.
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): > Compilation failed; see the compiler error output for details.
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): * Try:
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): > Run with --stacktrace option to get the stack trace.
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): > Run with --info or --debug option to get more log output.
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): > Run with --scan to get full insights.
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): * Get more help at https://help.gradle.org
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): Deprecated Gradle features were used in this build, making it incompatible with Gradle 9.0.
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): You can use ‘–warning-mode all’ to show the individual deprecation warnings and determine if they come from your own scripts or plugins.
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): See Command-Line Interface
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): 67 actionable tasks: 67 executed
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): BUILD FAILED in 27s
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): cmd.exe failed with args /c “C:\Unreal Projects\Trikey\Intermediate\Android\gradle\rungradle.bat” :app:bundleRelease
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): (see C:\Users\redli\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_5.3\Log.txt for full exception trace)
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): AutomationTool executed for 0h 1m 15s
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): AutomationTool exiting with ExitCode=1 (Error_Unknown)
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): BUILD FAILED
PackagingResults: Error: Unknown Error

SDK API - 34
NDK - 25.1.8937393
JDK - jdk-17

…although I tend to see things like this in the output log like this:
Building Java with SDK API level ‘android-33’
and
Fixing minSdkVersion; NDK level is 33 which is above minSdkVersion 21

which makes me think that even though I changed it to 34 in like 15 different places, there are more places to change/fix.

Help with both the google mobile ads issue and the licensing issue very much appreciated as well as better understanding of what is going on.

I’m not sure if this is related or not, but I am also getting these warnings:

UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): LogInit: Display: LogOnline: Warning: Google: Missing ClientId= in [OnlineSubsystemGoogle] of DefaultEngine.ini
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): LogInit: Display: LogOnline: Warning: Google: Missing ServerClientId= in [OnlineSubsystemGoogle] of DefaultEngine.ini
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): LogInit: Display: LogOnlineIdentity: Warning: Google: Missing ClientSecret= in [OnlineSubsystemGoogle] of DefaultEngine.ini

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