-oallow_root not working on Ubuntu 20.04

If Custom Mount Flags are enabled and as a flag -oallow_root is passed, the app isn’t able to unlock the vault.
Same with -oallow_other.

Without custom flags all works.

I’d upload logs, but system won’t allow new users… so find a relevant stack below.

08:44:03.093 [JavaFX Application Thread] ERROR o.c.ui.unlock.UnlockWorkflow - Unlock failed for technical reasons.
org.cryptomator.common.vaults.Volume$VolumeException: Unable to mount Filesystem
	at org.cryptomator.common.vaults.FuseVolume.mount(FuseVolume.java:54)
	at org.cryptomator.common.vaults.FuseVolume.mount(FuseVolume.java:41)
	at org.cryptomator.common.vaults.Vault.unlock(Vault.java:151)
	at org.cryptomator.ui.unlock.UnlockWorkflow.attemptUnlock(UnlockWorkflow.java:100)
	at org.cryptomator.ui.unlock.UnlockWorkflow.call(UnlockWorkflow.java:81)
	at org.cryptomator.ui.unlock.UnlockWorkflow.call(UnlockWorkflow.java:44)
	at javafx.concurrent.Task$TaskCallable.call(Task.java:1425)
	at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.base/java.lang.Thread.run(Unknown Source)
Caused by: org.cryptomator.frontend.fuse.mount.FuseMountException: ru.serce.jnrfuse.FuseException: Unable to mount FS
	at org.cryptomator.frontend.fuse.mount.AbstractMounter.mount(AbstractMounter.java:46)
	at org.cryptomator.frontend.fuse.mount.Mounter.mount(Mounter.java:15)
	at org.cryptomator.common.vaults.FuseVolume.mount(FuseVolume.java:52)
	... 12 common frames omitted
Caused by: ru.serce.jnrfuse.FuseException: Unable to mount FS
	at ru.serce.jnrfuse.AbstractFuseFS.mount(AbstractFuseFS.java:293)
	at org.cryptomator.frontend.fuse.mount.AbstractMounter.lambda$mount$0(AbstractMounter.java:26)
	... 1 common frames omitted
Caused by: ru.serce.jnrfuse.FuseException: Unable to mount FS, return code = 1
	at ru.serce.jnrfuse.AbstractFuseFS.mount(AbstractFuseFS.java:289)
	... 2 common frames omitted
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