Im working on my new application, called Hydro Marine, (
CLICK HERE)
When I'm done designing its GUI, and I debug it, then save, then exit, shutdown my computer

Then Now I've opened it I lost it because of its error come along as i open the project, Now I'm having trouble, I don't want to redesign it, so my question is, Is this could be possible to fix? if yes how? else I'll redesign it in a PLAIN

(b'cuz it takes time from scratch to itself designing it)
Okay so here's the screenshot:
Okay so now I fixed it up myself (sounds good) by adding DNB to my reference Now i'm having another problem:
(SS4.png)