Error- VDP:001 The most recent checkpoint for the VDP appliance is outdated

Recently the VDP is showing frequently the error VDP:001 The most recent checkpoint for the VDP appliance is outdated.

After the procedures bellow, the error were gone, with no particula reason the error is coming back:

https://kb.vmware.com/s/article/2067701

https://www.experts-exchange.com/articles/17333/HOW-TO-Fix-the-VMware-Data-Protection-error-VDP-001-The-most-recent-checkpoint-for-the-VDP-appliance-is-outdated.html

Anyone has any guess about the frequency?

Thank you.