You Probably have a bad PC
Thats not java edition.
That is sugar cane, not reeds.
You need to give more info.
Your report might not count because you are useing a datapack which modifies minecraft
Its not a bug just a texture thing
You need to tell them how to reproduce.
The Map be like 2b2t (7TB)
This is the Java bug report. Xbox One uses Minecraft Bedrock. You shoud report this on the Bedrock bug tracker. You can go there by clicking the "waffle" in the top-left.