[LE] CK warning "Trying to return a rendered texture ..."

[YouDoNotKnowMyName]

Good evening!

 

I was just trying create the exterior part of a mod that I am working on.

Nothing special, just a huge Thalmor - inspired castle southwest of Dawnstar at that dragon burial site there.

Everything was going well, but then as I was reloading the exterior cell (by pressing F5) this error message came up:

INGAME: Trying to return a rendered texture
(TESWATER_REFLECTION_CUBEMAP) that doesn't look like it
was borrowed (or it's already been returned.)

"Yes to all" will disable all Warnings for this context.

 

When I click Cancel (Yes to all) then the CK just crashes.

I use Mod Organizer 2 and the only other esm/esps that are loaded are Skyrim with all its DLC and the Unofficial Skyrim Patch.

 

I already searched a bit for this error message and couldn't find anything.

Also the preview window isn't showing up, but that's probably a different thing, so I will open another topic for that.

 

If anybody knows about this weird error, let me know!