GUIs appear blank

[Dsyboot]

Describe the bug

This problem is quite annoying since I created a gui, but when I started a minecraft world and opened it... opengl generated an error message and the gui showed me blank... Could you fix that?

To Reproduce

Step 1: Create any GUI
Step 2: Compile the mod and start the game
Step 3: Enter a world and open the interface

Screenshots
How should it appear:

How does it seem...

Details

• OS: Windows 7
• MCreator version: 2021.1
• Generator type: forge-1.12.2

Demo workspace
the file:

Additional context
In the version of Mcreator 2020.2 this did not happen... please help me :(

[stale]

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