I have a very weird problem.
When I try to launch the staging client from designer, I get the following error. There is no logs (even when relevant loggers elevated to ALL) in the console. The client is just starting and I will see the error dialog.
Now for the weird part. If I launch the Published version first, it will start up with no errors. If I retry the staging version after, it will start up. If I shut down the published version and retry the staging, it will give me the same error.
The staging version was published and should be identical.
I have Ignition v7.7.7 running on Linux Debian Wheezy.