Going to call technical support in a but someone must have run into this before.
Have a Ignition 8.1.47 gateway with 50+ vision clients.
It recently did windows updates and when they tried to login they were getting an error they they could not find the scripting module in the project. I thought it was odd, checked designer, I saw it there, started a client on my machine and it all worked.
My solution for the few affected machines was to have them delete their .ignition cache folder, remake the link to the gateway, start up the application, this worked.
This morning some of those machines I fixed started experiencing this again.
I have not restarted the gateway because it did not seem like a gateway problem but that is my next move most likely. However I am a bit at a loss. Anyone recover from a scenario like this?