Modules keep vanishing on 1.8.9

[GreenGamer117]

Describe the bug
A clear and concise description of what the bug is.
My modules keep vanishing after 4-5 times of relogging on minecraft on 1.8.9.
To Reproduce
Steps to reproduce the behavior:

1. Go to 'Minecraft'
2. Click on 'Options, the 5zig mod, display, modules'
3. Scroll down to 'See zero modules'
4. See error

Expected behavior
I expected this to be fixed after I switched versions.
Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Windows 10
• Version: Windows 10 2004
• If built from source: Commit Hash

Additional context
I tried to fix the problem by switching to the latest stable release instead of the build release and it still occurred.

[i-bug-you]

Thank you for opening this bug report.
A member of the testing group will try to reproduce it as soon as possible.
@U5B, @zortax, @roccodev