[Android General] blairfancy:
Since last update i got error "Error bringing down tunnel: Unable to configure tunnel" when trying to switch off wireguard

01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController: Error bringing down tunnel: Unable to configure tunnel
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController: java9.util.concurrent.CompletionException: java.lang.Exception: Unable to configure tunnel
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at java9.util.concurrent.CompletableFuture.encodeRelay(CompletableFuture.java:357)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at java9.util.concurrent.CompletableFuture.completeRelay(CompletableFuture.java:367)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at java9.util.concurrent.CompletableFuture$UniRelay.tryFire(CompletableFuture.java:1009)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at java9.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:504)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at java9.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2079)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at com.wireguard.android.util.AsyncWorker.lambda$null$4$AsyncWorker(AsyncWorker.java:50)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at com.wireguard.android.util.AsyncWorker$$Lambda$3.run(Unknown Source)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at android.os.Handler.handleCallback(Handler.java:751)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at android.os.Handler.dispatchMessage(Handler.java:95)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at android.os.Looper.loop(Looper.java:154)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at android.app.ActivityThread.main(ActivityThread.java:6186)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at java.lang.reflect.Method.invoke(Native Method)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController: Caused by: java.lang.Exception: Unable to configure tunnel
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at com.wireguard.android.backend.WgQuickBackend.setState(WgQuickBackend.java:116)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at com.wireguard.android.model.TunnelManager.lambda$null$14$TunnelManager(TunnelManager.java:218)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at com.wireguard.android.model.TunnelManager$$Lambda$24.get(Unknown Source)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at com.wireguard.android.util.AsyncWorker.lambda$supplyAsync$5$AsyncWorker(AsyncWorker.java:47)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at com.wireguard.android.util.AsyncWorker$$Lambda$1.run(Unknown Source)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:243)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
01-15 21:06:16.062 32545 32545 E WireGuard/TunnelController:	at java.lang.Thread.run(Thread.java:761)

Found that app not look for proper place to find config. In my case file is stored :

/mnt/expand/508dd354-d052-46e6-8383-866928ce51b8/user/0/com.wireguard.android/files/bf.conf

wg-quick down with this path close wireguard interface