Signature Add-on no longer working [RESOLVED]

I recently installed and setup the Signature add-on, which was working fine the day of installation but now it no longer works. There are several errors thrown in the dev console relating to the plugin, which can be viewed here:

The Signature location itself is towards the very bottom of the form, below the Full Name field. We do have a client who has access to these forms, so perhaps something was changed there. However I haven’t been able to fix it or find the root cause for why it suddenly stopped working.

Any suggestions?

This is an issue with the latest divi release. The developers at elegant themes are already working on a fix:

Excellent! A comment in that Twitter convo provided a solution for the time being. You can mark this as solved / closed.