Alert: “Coil Validation configuration invalid”

This will be followed by “All forms of coil validation are disabled.”

This warning means that coil validation has been disabled in Eclipse Classic, yet coil validation has not yet been configured in Pro. The solution is to enable coil validation in Settings -> Integration -> Coil Validation. 

If you do not wish to use the coil validation feature at all and just want to disable the alert, then enable Classic coil validation by going to Settings -> Agent Status -> Agent -> Coil Validation: -> Disable Pro.