m_PreloadTextureAtlasData.size () == m_DetailPrototypes.size ()

Hey Everyone! I just added in two new grass textures in PNG format and everytime I save I get this error message

m_PreloadTextureAtlasData.size () == m_DetailPrototypes.size ()

and only the two new textures disappear from the terrain.

I can make it reappear by adding the grass somewhere else then Ctrl-z to undo it. This causes all the new grass to reappear where I had previously placed it. But once I save again, I get the error and the only new grass types disappear again.

I tried changing the image size to 512, changing the file types from psd to png. I still get this error. What the dilly is going on yo?

 

I am having this issue also

 

Just noticed this as well.

 

I would really appreciate some elaboration on what this error means. Is there a bug report already filed that I missed?

 

Bump, I'm having this as well!

 

Unity atlasses terrain detail behind the scenes. I noticed this error comes up when I have too much terrain detail. You probably need to either remove terrain detail object prototypes from the component view, or reduce the texture size of your terrain detail objects.