I have a setup of 50-60 servers and have put tests in folders representing the DNS-name of that specific server.
Most servers have similar setup so I created a template used when deploying new.
As a base test (all other tests in the folder is depending on it) I use a simple 'ping %folder%'
I have several own variables in the root folder and the folders below inherit.
This morning I needed to trim a test and setup a new variable called fvar_freepte_warn in the root folder.
When I click OK all ping tests immediately turned yellow with the Unknown Host result!
%folder% still returns correct value in description, comment etc
I removed the variable from root, restarted service, created a new ping %folder% test but still no luck. Pinging hostnames work, so its not DNS.
Please, any hints on what to look for? 90% of my about 300 tests are not functioning which leaves me blind

I installed 8.84 last week, but it's the same in 8.72.
Kind regards,
Fredrik R
Update
It's not only Ping, but many(most?) tests that doesn't take %folder% anymore