When adding the widget into a sidebar area, or saving the settings, an undefined index error throws for the MailPoet fields, since they don't exist. below is what I added on my version as a fix, but not sure if this matches up with your desired formatting. this is in the update function on line 164
When adding the widget into a sidebar area, or saving the settings, an undefined index error throws for the MailPoet fields, since they don't exist. below is what I added on my version as a fix, but not sure if this matches up with your desired formatting. this is in the
update
function on line 164