"last zone sync stage validation failed" after updating icinga2 to 2.11.0-1 on client



Yesturday the icinga2 has been updated on 2 client, after the update on my client i have this message:

Plugin Output

Icinga 2 has been running for 1 day, 8 hours, 42 minutes and 12 seconds. Version: 2.11.0-1; Last zone sync stage validation failed at 2019-10-09 15:47:14 +0200

All my check are working but i have this warning and since i cant add new check command.
FYI my master and my satellite are in 2.11.0-1 since few weeks and everithing was working smoothly.

Can someone provide help ?

Kind Regards