In the global configuration panel when the ElectricFlow configuration is wrong we just receive a message "Wrong configurations" in the UI but no more details about the kind of error.

 

Adding a log or a more complete message could help to diagnose configuration issues

https://github.com/jenkinsci/electricflow-plugin/blob/electricflow-1.1.3/src/main/java/org/jenkinsci/plugins/electricflow/Configuration.java#L160