cannot add/delete nfs shares

Error #0:
OMV\ExecException: Failed to execute command 'export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin; export LANG=C.UTF-8; omv-salt deploy run fstab 2>&1' with exit code '1': debian:
----------
          ID: create_filesystem_mountpoint_aab973db-0d06-4a97-a198-122d33c1631c
    Function: file.accumulated
      Result: True
     Comment: Accumulator create_filesystem_mountpoint_aab973db-0d06-4a97-a198-122d33c1631c for file /etc/fstab was charged by text
     Started: 02:09:42.289089
    Duration: 2.142 ms
     Changes:
----------
          ID: mount_filesystem_mountpoint_aab973db-0d06-4a97-a198-122d33c1631c
    Function: mount.mounted
        Name: /srv/dev-disk-by-label-MX500SSD1
      Result: True
     Comment: Target was already mounted
     Started: 02:09:42.293044
    Duration: 169.742 ms
     Changes:
              ----------
              umount:
                  Forced remount because options (user_xattr) changed
----------
          ID: create_filesystem_mountpoint_07ca3ebd-8b28-4f26-9e60-eb01136a5d2e
    Function: file.accumulated
      Result: True
     Comment: Accumulator create_filesystem_mountpoint_07ca3ebd-8b28-4f26-9e60-eb01136a5d2e for file /etc/fstab was charged by text
     Started: 02:09:42.463639
    Duration: 5.124 ms
     Changes:
----------
          ID: mount_filesystem_mountpoint_07ca3ebd-8b28-4f26-9e60-eb01136a5d2e
    Function: mount.mounted
        Name: /srv/dev-disk-by-label-WDCWD15EARX00P
      Result: True
     Comment: Target was already mounted
     Started: 02:09:42.469187
    Duration: 124.098 ms
     Changes:
              ----------
              umount:
                  Forced remount because options (user_xattr) changed
----------
          ID: create_bind_mountpoint_60102fec-9726-475d-81b0-bf180a971708
    Function: file.accumulated
      Result: True
     Comment: Accumulator create_bind_mountpoint_60102fec-9726-475d-81b0-bf180a971708 for file /etc/fstab was charged by text
     Started: 02:09:42.593997
    Duration: 3.94 ms
     Changes:
----------
          ID: mount_bind_mountpoint_60102fec-9726-475d-81b0-bf180a971708
    Function: mount.mounted
        Name: /export/1tb-mx
      Result: True
     Comment: Target was successfully mounted
     Started: 02:09:42.598311
    Duration: 76.082 ms
     Changes:
              ----------
              mount:
                  True
----------
          ID: create_bind_mountpoint_177cecd2-77a6-4590-a2f8-05fbdba4bbc1
    Function: file.accumulated
      Result: True
     Comment: Accumulator create_bind_mountpoint_177cecd2-77a6-4590-a2f8-05fbdba4bbc1 for file /etc/fstab was charged by text
     Started: 02:09:42.675307
    Duration: 4.248 ms
     Changes:
----------
          ID: mount_bind_mountpoint_177cecd2-77a6-4590-a2f8-05fbdba4bbc1
    Function: mount.mounted
        Name: /export/watchedlist
      Result: False
     Comment: mount: bad usage
              Try 'mount --help' for more information.
     Started: 02:09:42.679858
    Duration: 78.954 ms
     Changes:
----------
          ID: append_fstab_entries
    Function: file.blockreplace
        Name: /etc/fstab
      Result: True
     Comment: Changes were made
     Started: 02:09:42.766313
    Duration: 15.471 ms
     Changes:
              ----------
              diff:
                  ---
                  +++
                  @@ -12,4 +12,6 @@
                   # >>> [openmediavault]
                   /dev/disk/by-label/MX500SSD1		/srv/dev-disk-by-label-MX500SSD1	ext4	defaults,nofail,user_xattr,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,acl	0 2
                   /dev/disk/by-label/WDCWD15EARX00P		/srv/dev-disk-by-label-WDCWD15EARX00P	ext4	defaults,nofail,user_xattr,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,acl	0 2
                  +/srv/dev-disk-by-label-MX500SSD1/1tb-mx/		/export/1tb-mx	none	bind,nofail	0 0
                  +/srv/dev-disk-by-label-MX500SSD1/1tb-mx/Backup/Tv\040Box/		/export/watchedlist	none	bind,nofail	0 0
                   # <<< [openmediavault]

Summary for debian
------------
Succeeded: 8 (changed=4)
Failed:    1
------------
Total states run:     9
Total run time: 479.801 ms in /usr/share/php/openmediavault/system/process.inc:182
Stack trace:
#0 /usr/share/php/openmediavault/engine/module/serviceabstract.inc(60): OMV\System\Process->execute()
#1 /usr/share/openmediavault/engined/rpc/config.inc(167): OMV\Engine\Module\ServiceAbstract->deploy()
#2 [internal function]: Engined\Rpc\Config->applyChanges(Array, Array)
#3 /usr/share/php/openmediavault/rpc/serviceabstract.inc(123): call_user_func_array(Array, Array)
#4 /usr/share/php/openmediavault/rpc/serviceabstract.inc(149): OMV\Rpc\ServiceAbstract->callMethod('applyChanges', Array, Array)
#5 /usr/share/php/openmediavault/rpc/serviceabstract.inc(588): OMV\Rpc\ServiceAbstract->OMV\Rpc\{closure}('/tmp/bgstatusE0...', '/tmp/bgoutputu4...')
#6 /usr/share/php/openmediavault/rpc/serviceabstract.inc(159): OMV\Rpc\ServiceAbstract->execBgProc(Object(Closure))
#7 /usr/share/openmediavault/engined/rpc/config.inc(189): OMV\Rpc\ServiceAbstract->callMethodBg('applyChanges', Array, Array)
#8 [internal function]: Engined\Rpc\Config->applyChangesBg(Array, Array)
#9 /usr/share/php/openmediavault/rpc/serviceabstract.inc(123): call_user_func_array(Array, Array)
#10 /usr/share/php/openmediavault/rpc/rpc.inc(86): OMV\Rpc\ServiceAbstract->callMethod('applyChangesBg', Array, Array)
#11 /usr/sbin/omv-engined(537): OMV\Rpc\Rpc::call('Config', 'applyChangesBg', Array, Array, 1)
#12 {main}