Unusual skybox problem - no one else seems to have it

[ghost]

In both the Time of Day and Time of Night skyboxes, there is this weird effect where part of the skybox is pitch black and part is light grey, with a small fade in between.

In the Time of Night skybox, the black part shows the star pattern that should be there, but not the grey part.

They seem to be providing little to no light on the model.

I am not too horribly new to ray but I also mostly don't know what I'm doing.

My computer has a fairly good graphics card I think, it's an AMD Radeon Vega 8 Graphics, I'm running the 64-bit version of MMD on a 64-bit laptop, and I'm almost certain I have the 64-bit version of MME. I've tried both the master version and the 1.5.0 version, although the 1.5.1 gave me the "can't compile...time of day.fx..." The master version is the one that gave me the weird skybox effect and it gave no compiling error so...

well here's a picture. If anyone can figure out what I've done wrong, please tell me!
(GitHub won't process the picture. Here's a google drive link)
https://drive.google.com/uc?export=download&id=1V9bnFUM1QotFoafK4N2fofE3HsNzdECS

Thanks for your time.

Edit: I try to load the time of day skybox the next day and it shows up completely black, no fade, no nothing. I have no idea what changed.
However, other skyboxes, like Sky Night, Helipad Golden Hour, and skyboxes from another skybox pack I downloaded, all work fine. I think.

[AkagiVoid]

A few things could be happening here. ?w?
Theory1:
Graphics driver may be bugged in which case U need to first uninstall the GPU Driver, delete UR custom settings for it if any at all, and then re-install the latest GPU Driver. OwO

Theory2:
The Graphics Card its self may be defective in rendering RCX or RTX (RCX and RTC is two entirely different Ray Methods btw) for dis passific program or across other programs. >w>

Theory3:
The MMD Program itself may have developed a bug sumwhere during download and unpacking of the program, in which case U can just re-download the program again, transfer all UR models 2 dat program, and delete the old one. ^w^

And dats as far as my knowledge goes on dis because dis problem could range from errors/bugs or compatibility issues with software, GPU, CPU, and even UR own Monitor its self. XwX