I get the same thing and then I changed a few things on the form and widget and then it went away then I changed something else on form and it’s come back!
Oops! There is a problem with this form:
textStatus:error
errorThrown:Not Found
responseText:
Using a clean install of WP 4.7.3 and MailPoet 2.7.8
I’m trying to evaluate plugin, looks great except for this issue!
