Using SOI with Edit Widget throws type error of errorWarningTitle

[JANA-AFung]

Hi all, 

I'm currently working on a project that restricts certain features from being edited from the edit widget tool, this is being done through an SOI. On restricting a certain feature from being edited, the editor widget will throw a type error 

Edit:
I've done some digging and noticed that 4.15 does not run into these errors for the same situation, but version 4.15 does introduce other older bugs that dont exist anymore