ExpressExtension Support
Find answers to your questions.I got an error, “Please undo the changes made to the header.” What should I do now?
You’ll get this message if you have made changes to the Form 7004 template’s column headers or the sheet name. Go back to the template, undo the changes, and then try uploading it again into our system.
Need more help?
Get in touch with our dedicated support team Contact Us
