WARNING: Invalid Response(s)

[xina]

I'm trying to monitor an hyper v server machine and i already installed snmp in that machine and all the tools needed.
When i create this new machine in cacti i get the name, the uptime and all that informations but when i create graphs, the clog tells me i got this error, what ca i do????

[netniV]

Unfortunately, the assert problem is a known issue that has been addressed in the upcoming 1.2 release (no specific date yet).

The sizeof() is another known issue because you are using PHP 7.2 (again already addressed) in 1.2