pvesm add failed 2

root@pvetest:~# pvesm remove encrypted_zfs

root@pvetest:~# pvesm add zfspool encrypted_zfs --pool /VMs/encrypted_data/
interval cannot be zero
usage:
	list [-gHLpPv] [-o property[,...]] [-T d|u] [pool] ...
	    [interval [count]]
the following properties are supported:
	PROPERTY             EDIT   VALUES
	allocated              NO   <size>
	capacity               NO   <size>
	checkpoint             NO   <size>
	dedupratio             NO   <1.00x or higher if deduped>
	expandsize             NO   <size>
	fragmentation          NO   <percent>
	free                   NO   <size>
	freeing                NO   <size>
	guid                   NO   <guid>
	health                 NO   <state>
	leaked                 NO   <size>
	load_guid              NO   <load_guid>
	size                   NO   <size>
	altroot               YES   <path>
	ashift                YES   <ashift, 9-16, or 0=default>
	autoexpand            YES   on | off
	autoreplace           YES   on | off
	autotrim              YES   on | off
	bootfs                YES   <filesystem>
	cachefile             YES   <file> | none
	comment               YES   <comment-string>
	dedupditto            YES   <threshold (min 100)>
	delegation            YES   on | off
	failmode              YES   wait | continue | panic
	listsnapshots         YES   on | off
	multihost             YES   on | off
	readonly              YES   on | off
	version               YES   <version>
	feature@...           YES   disabled | enabled | active
The feature@ properties must be appended with a feature name.
zfs error: See zpool-features(5).

interval cannot be zero
usage:
	list [-gHLpPv] [-o property[,...]] [-T d|u] [pool] ...
	    [interval [count]]
the following properties are supported:
	PROPERTY             EDIT   VALUES
	allocated              NO   <size>
	capacity               NO   <size>
	checkpoint             NO   <size>
	dedupratio             NO   <1.00x or higher if deduped>
	expandsize             NO   <size>
	fragmentation          NO   <percent>
	free                   NO   <size>
	freeing                NO   <size>
	guid                   NO   <guid>
	health                 NO   <state>
	leaked                 NO   <size>
	load_guid              NO   <load_guid>
	size                   NO   <size>
	altroot               YES   <path>
	ashift                YES   <ashift, 9-16, or 0=default>
	autoexpand            YES   on | off
	autoreplace           YES   on | off
	autotrim              YES   on | off
	bootfs                YES   <filesystem>
	cachefile             YES   <file> | none
	comment               YES   <comment-string>
	dedupditto            YES   <threshold (min 100)>
	delegation            YES   on | off
	failmode              YES   wait | continue | panic
	listsnapshots         YES   on | off
	multihost             YES   on | off
	readonly              YES   on | off
	version               YES   <version>
	feature@...           YES   disabled | enabled | active
The feature@ properties must be appended with a feature name.
zfs error: See zpool-features(5).

create storage failed: error during cfs-locked 'file-storage_cfg' operation: could not activate storage 'encrypted_zfs', zfs error: See zpool-features(5).