Unable to compile apk on Amazon Fire HD8 rooted with LineageOS 16

[padmesigma]

Here is the error log:

Build version: 44
Build date: 1979-11-30 00:00:00
Current date: 2021-02-18 17:03:37
Device: Amzn Fire

Stack trace:
java.lang.RuntimeException: An error occurred while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:354)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
at java.util.concurrent.FutureTask.run(FutureTask.java:271)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:764)
Caused by: java.lang.RuntimeException: Error modding rom I think:
kpchuck.kklock.utils.QsBgUtil.checkForOtherUses(QsBgUtil.java:138)
kpchuck.kklock.utils.QsBgUtil.(QsBgUtil.java:51)
kpchuck.kklock.xml.XmlWork.(XmlWork.java:51)
kpchuck.kklock.utils.ApkBuilder.modTheRomZip(ApkBuilder.java:250)
kpchuck.kklock.utils.ApkBuilder.doInBackground(ApkBuilder.java:101)
kpchuck.kklock.utils.ApkBuilder.doInBackground(ApkBuilder.java:52)
android.os.AsyncTask$2.call(AsyncTask.java:333)
java.util.concurrent.FutureTask.run(FutureTask.java:266)
android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
java.lang.Thread.run(Thread.java:764)
java.lang.NullPointerException: Attempt to get length of null array
at kpchuck.kklock.utils.ApkBuilder.doInBackground(ApkBuilder.java:152)
at kpchuck.kklock.utils.ApkBuilder.doInBackground(ApkBuilder.java:52)
at android.os.AsyncTask$2.call(AsyncTask.java:333)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
... 4 more

User actions:
2021-02-18 17:03:18: MainActivity resumed
2021-02-18 17:03:19: SplashActivity destroyed