I accidentally deleted the viewport in my character blueprint in UE4, I tried making new PROJECTS but it won't comeback, what do I do?

Development Programming & Scripting Blueprint
, ,
1

Quick search about:

2

I accidentally deleted the viewport in one of my character blueprints, I abandoned that project and made a new one. I opened one of the character blueprints and the viewport isn,t there. How do I bring it back?