oneplus ace5pro mixedaudio not working, The device is already rooted

[123abc87]

java.io.FileNotFoundException: /data/user/0/com.legendsayantan.adbtools/files/soundmaster.txt: open failed: ENOENT (No such file or directory)
at libcore.io.IoBridge.open(IoBridge.java:574)
at java.io.FileInputStream.(FileInputStream.java:179)
at kotlin.io.FilesKt__FileReadWriteKt.readText(FileReadWrite.kt:125)
at kotlin.io.FilesKt__FileReadWriteKt.readText$default(FileReadWrite.kt:125)
at com.legendsayantan.adbtools.SoundMasterActivity.getPackageSliders(SoundMasterActivity.kt:44)
at com.legendsayantan.adbtools.SoundMasterActivity.updateSliders(SoundMasterActivity.kt:252)
at com.legendsayantan.adbtools.SoundMasterActivity.onResume(SoundMasterActivity.kt:137)
at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1740)
at android.app.Activity.performResume(Activity.java:9366)
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:5703)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:5764)
at android.app.servertransaction.ResumeActivityItem.execute(ResumeActivityItem.java:64)
at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:60)
at android.app.servertransaction.TransactionExecutor.executeLifecycleItem(TransactionExecutor.java:230)
at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:112)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:86)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2902)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loopOnce(Looper.java:282)
at android.os.Looper.loop(Looper.java:387)
at android.app.ActivityThread.main(ActivityThread.java:9500)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:600)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1005)
Caused by: android.system.ErrnoException: open failed: ENOENT (No such file or directory)
at libcore.io.Linux.open(Native Method)
at libcore.io.ForwardingOs.open(ForwardingOs.java:563)
at libcore.io.BlockGuardOs.open(BlockGuardOs.java:274)
at libcore.io.ForwardingOs.open(ForwardingOs.java:563)
at android.app.ActivityThread$AndroidOs.open(ActivityThread.java:9367)
at libcore.io.IoBridge.open(IoBridge.java:560)
... 23 more

java.io.FileNotFoundException: /data/user/0/com.legendsayantan.adbtools/files/soundmaster.txt: open failed: ENOENT (No such file or directory)
at libcore.io.IoBridge.open(IoBridge.java:574)
at java.io.FileInputStream.(FileInputStream.java:179)
at kotlin.io.FilesKt__FileReadWriteKt.readText(FileReadWrite.kt:125)
at kotlin.io.FilesKt__FileReadWriteKt.readText$default(FileReadWrite.kt:125)
at com.legendsayantan.adbtools.SoundMasterActivity.getPackageSliders(SoundMasterActivity.kt:44)
at com.legendsayantan.adbtools.SoundMasterActivity.updateSliders$lambda$15(SoundMasterActivity.kt:255)
at com.legendsayantan.adbtools.SoundMasterActivity.$r8$lambda$jTBF2DEAwQYTN2C0ALuM8ibpiFI(Unknown Source:0)
at com.legendsayantan.adbtools.SoundMasterActivity$$ExternalSyntheticLambda0.run(Unknown Source:2)
at java.lang.Thread.run(Thread.java:1012)
Caused by: android.system.ErrnoException: open failed: ENOENT (No such file or directory)
at libcore.io.Linux.open(Native Method)
at libcore.io.ForwardingOs.open(ForwardingOs.java:563)
at libcore.io.BlockGuardOs.open(BlockGuardOs.java:274)
at libcore.io.ForwardingOs.open(ForwardingOs.java:563)
at android.app.ActivityThread$AndroidOs.open(ActivityThread.java:9367)
at libcore.io.IoBridge.open(IoBridge.java:560)
... 8 more