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Can't edit empty blueprints

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So I have an issue with my HUD Blueprint. IT was working fine before, but now when I go to open it, I don't have any editing options. I don't know whether its been corrupted or not, but I can't do anything with it. I had first assumed that I had deleted the windows, and to get em back I could just reenable them, but the options for windows seems to have just gotten a lot smaller.

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Is there any way for me to recover my blueprint? And is there a known reason for this to happen? This isn't the first time, and before I just deleted the file and remade it, but I'm not making any progress if I keep having to start again.

Product Version: UE 4.9
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asked Feb 22 '16 at 02:52 PM in Using UE4

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IrishMTS
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Try this:

  • Open your Blueprint

  • If you see the blank screen above, go to Window > Class Defaults

  • In the Class Defaults window, there's a pretty good chance you'll see "Open Full Blueprint Editor." Click that

  • List item

Does that help?

fulleditor.png (43.8 kB)
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answered Feb 22 '16 at 02:59 PM

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ActualZak STAFF
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avatar image IrishMTS Feb 22 '16 at 03:03 PM

Just for future reference, is there any reason why this might have happened in the first place? I want to try and avoid it

avatar image ActualZak STAFF Feb 22 '16 at 04:07 PM

Yup. You made a Blueprint without any script (nodes) inside of it. This is referred to as a Data-Only BP. They're great for holding important data you want to access later.

The other thing you did was (at some point) close the Class Defaults window that comes up automatically. What is supposed to happen when you open a Data-Only BP is that you'll see that window pop up. But if you ever closed that panel, Unreal is trying to remember your preferences and keep you from having to close it in the future.

Now that you've reopened it, you should be okay moving forward.

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