IP addresses must contain four sets of numbers, each of which must be equal to or less than 255, with each set separated by a single period. An example of a good IP address is 184.108.40.206. Learn more.
This error appears when you try to add a new filtered IP adddress to Report Settings and the IP isn't formatted correctly.
To resolve this error, please check the IP address you added. It shouldn't have a number in it above 255. HubSpot IP filters don't support IPV6 addresses.