Windows Vegetation on water

[Ecnrypted]

The grass appeared on water randomly one day, The tree was right after green rain. Both water bodies were rivers.

v1.6.15 build 24356
no error text
Windows 11/i5-11400H/RTX 3050 Laptop
English
Single player
Keyboard mouse
While game is not modded i did manually change gold value on an older save last year or so.

 

[Ecnrypted]

Here too. Is this just a known issue? seems pretty prevalent.

 

[ISSsloth]

I don't know what may have caused your problem, but if you're comfortable modding your game I might suggest trying the Reset Terrain Features mod. It's primary purpose is for people intentionally changing maps mid game, but it could do the trick here.