Tvheadend

Since update on TVHeadend / 4.3-1789 ~ g6bfeca6c0 have the following problems hope someone can help me further

Problem exists with dvr folder /home/hts/.hts/tvheadend/dvr
if I delete dvr folder and restart tvheadend works

As soon as I start a recording the pvr.hts - Command getDiskSpace failed: No response received

now how should that be solved?

Tvheadend log
2019-03-25 10:59:34.077 htsp: Got connection from 192.168.178.21
2019-03-25 10:59:34.077 htsp: 192.168.178.21: Welcomed client software: Kodi Media Center (HTSPv34)
2019-03-25 10:59:34.085 htsp: 192.168.178.21 [ Kodi Media Center ]: Identified as user 'admin'
2019-03-25 10:59:34.085 htsp: 192.168.178.21 [ admin | Kodi Media Center ]: Privileges updated
2019-03-25 10:59:41.962 htsp: 192.168.178.21 [ admin | Kodi Media Center ]: Disconnected

Kodi log
2019-03-25
10:31:48.794 T:3416601456 ERROR: AddOnLog: Tvheadend HTSP Client:
pvr.hts - Command getDiskSpace failed: No response received
2019-03-25 10:31:48.795 T:3416601456 ERROR: GetDriveSpace: Add-on 'Tvheadend:zbox-id91:9982' returned an error: server error
2019-03-25 10:31:49.285 T:3919573872 ERROR: GetDirectory - Error getting
2019-03-25
10:31:49.744 T:3366245232 ERROR: AddOnLog: Tvheadend HTSP Client:
pvr.hts - Command getEvents failed: No response received
2019-03-25
10:31:49.744 T:3366245232 ERROR: GetEPGForChannel: Add-on
'Tvheadend:zbox-id91:9982' returned an error: server error
2019-03-25 10:31:49.745 T:3366245232 ERROR: AddOnLog: Tvheadend HTSP Client: pvr.hts - failed to write (Invalid argument)
2019-03-25 10:31:49.745 T:3366245232 ERROR: AddOnLog: Tvheadend HTSP Client: pvr.hts - failed to transmit