No, I can't even reproduce the bug again on my own server.
Environment data
Android version: 10
Device model: GS290
Stock or customized system: Stock
Nextcloud app version: 3.16.1
Nextcloud server version: 20.0.7
Reverse proxy: yes
Logs
Web server error log
Insert your webserver log here
Nextcloud log (data/nextcloud.log)
************ CAUSE OF ERROR ************
java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
at androidx.fragment.app.FragmentManager.checkStateLoss(FragmentManager.java:1844)
at androidx.fragment.app.FragmentManager.enqueueAction(FragmentManager.java:1884)
at androidx.fragment.app.BackStackRecord.commitInternal(BackStackRecord.java:329)
at androidx.fragment.app.BackStackRecord.commit(BackStackRecord.java:294)
at androidx.fragment.app.DialogFragment.dismissInternal(DialogFragment.java:355)
at androidx.fragment.app.DialogFragment.dismiss(DialogFragment.java:307)
at com.owncloud.android.ui.activity.UploadFilesActivity.onCheckAvailableSpaceFinish(UploadFilesActivity.java:442)
at com.owncloud.android.ui.asynctasks.CheckAvailableSpaceTask.onPostExecute(CheckAvailableSpaceTask.java:72)
at com.owncloud.android.ui.asynctasks.CheckAvailableSpaceTask.onPostExecute(CheckAvailableSpaceTask.java:34)
at android.os.AsyncTask.finish(AsyncTask.java:755)
at android.os.AsyncTask.access$900(AsyncTask.java:192)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:772)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:980)
************ APP INFORMATION ************
ID: com.nextcloud.client
Version: 30160190
Build flavor: gplay
************ DEVICE INFORMATION ************
Brand: Gigaset
Device: GS290
Model: GS290
Id: QP1A.190711.020
Product: GS290_EEA
************ FIRMWARE ************
SDK: 29
Release: 10
Incremental: 1620883903
NOTE: Be super sure to remove sensitive data like passwords, note that everybody can look here! You can use the Issue Template application to prefill some of the required information: https://apps.nextcloud.com/apps/issuetemplate
Steps to reproduce
Expected behaviour
Actual behaviour
Can you reproduce this problem on https://try.nextcloud.com?
Environment data
Android version: 10
Device model: GS290
Stock or customized system: Stock
Nextcloud app version: 3.16.1
Nextcloud server version: 20.0.7
Reverse proxy: yes
Logs
Web server error log
Nextcloud log (data/nextcloud.log)
NOTE: Be super sure to remove sensitive data like passwords, note that everybody can look here! You can use the Issue Template application to prefill some of the required information: https://apps.nextcloud.com/apps/issuetemplate