If you use the UIkit3 form and don’t include a custom template, the word “span” get’s added to each line of the form details. So, name, email, message, etc.
Fix is to use a custom template, like the one below…
<b>Name:</b> {{name}}<br><b>Email:</b>{{email}}<br><b>Subject:</b>{{subject}}<br><br><b>Message:</b><br>{{message}}