textures in the end become pink and purple when you use the potion of night vision.

Put the summary of the bug you're having here

What I expected to happen was...:
textures to be normaal and light levels to go up in the end

What actually happened was...:
tetures turned pink and purple(any blocks outside about ea 30 block radius)
Steps to Reproduce:
1.use potion of night vision
2. go through end portal
3. look at the textures around you