Cannot import the policy pacjage referes to the expected behaviour of
mixed mode, it cannot import another fortigate firmware levels config:
https://docs.fortinet.com/document/fortimanager/7.2.6/administration-guide/552131/using-mixed-versions-in-ado...
The docs of Fortimanager recommend you first upgrade all the fortigates
in the ADOM and then upgrade the ADOM. Upgrading the firmware of managed
devices | FortiManager 7.2.0 | Fortinet Document LibraryIf you initial
plan is to have some fortigates on...
