Blade player crashes when trying to edit song information

Project information

Repository : https://github.com/Valou3433/blade-player

App name : Blade player

Expected behavior

Users should be able to be able to edit songs info with the help of the app successfully without the app crashing.

Actual behavior

The application closes and crashed when user is saving edited info.

How to reproduce

Download and install app from fdroid.

Launch the app.

Grant all permissions.

Navigate to the list of songs and play any song, then click on the 3-horizontal dots in front of a song.

Click on the "Edit Informations" option.

Make an change to name, then click on "OK"

It will be observed that the app crashes and closes. Hence, the bug.

Browser: Blade Player version 1.4
Operating system: android version 6.0
Recording Of The Bug

Issue opened on Github https://github.com/Valou3433/blade-player/issues/31
My Github

LOG

03-27 10:13:46.417 I/BufferQueue(271): [v.blade/v.blade.ui.MainActivity](this:0x7fb0c30400,id:362,api:1,p:-1,c:-1) ~BufferQueueCore
03-27 10:13:46.544 D/ActivityManager(7069): ACT-IDLE_NOW_MSG from windowsVisible() for idle: ActivityRecord{39272dd u0 v.blade/.ui.TagEditorActivity t110799}
03-27 10:13:46.545 V/WindowManager(7069): findFocusedWindow: Found new focus @ 13 = Window{1485fd9 u0 v.blade/v.blade.ui.TagEditorActivity}
03-27 10:13:46.556 W/BLADE-DEBUG(23172): SaveInstanceState : null
03-27 10:13:46.559 V/ActivityThread(23172): Finishing stop of ActivityRecord{38c77ac token=android.os.BinderProxy@a4d8c75 {v.blade/v.blade.ui.MainActivity}}: show=false win=com.android.internal.policy.PhoneWindow@40e867e
03-27 10:13:46.559 I/BufferQueueProducer(271): [v.blade/v.blade.ui.TagEditorActivity](this:0x7fad16b000,id:365,api:1,p:23172,c:271) new GraphicBuffer needed
03-27 10:13:46.560 V/PhoneWindow(23172): DecorView setVisiblity: visibility = 4 ,Parent =ViewRoot{fefce32 v.blade/v.blade.ui.MainActivity,ident = 0}, this =com.android.internal.policy.PhoneWindow$DecorView{5d47d57 I.E...... R......D 0,0-1080,1920}
03-27 10:13:46.592 I/PPS     (7069): [notifyActivityState] v.blade, .ui.MainActivity, Stopped
03-27 10:13:46.592 I/PPS     (7069): [PPSNotifyAppState] nPackNum:60, pack:v.blade, com:.ui.MainActivity, state:4, pid:23172, last_boost_tid:23172
03-27 10:13:46.930 D/xionghui(18754): xionghui TaskKey pkg=v.blade isLocked=false
03-27 10:13:47.163 I/BufferQueueProducer(271): [v.blade/v.blade.ui.TagEditorActivity](this:0x7fad16b000,id:365,api:1,p:23172,c:271) queueBuffer: fps=21.96 dur=1001.98 max=307.15 min=8.08
03-27 10:13:48.222 E/AndroidRuntime(23172): Process: v.blade, PID: 23172
03-27 10:13:48.222 E/AndroidRuntime(23172):     at v.blade.ui.TagEditorActivity.save(TagEditorActivity.java:172)
03-27 10:13:48.222 E/AndroidRuntime(23172): Caused by: java.lang.ClassNotFoundException: Didn't find class "sun.nio.ch.DirectBuffer" on path: DexPathList[[zip file "/data/app/v.blade-1/base.apk"],nativeLibraryDirectories=[/data/app/v.blade-1/lib/arm64, /data/app/v.blade-1/base.apk!/lib/arm64-v8a, /vendor/lib64, /system/lib64]]