[Bug] water textures missing/water is black

See pictures. As you can see, in two different games, the water was completely black. ~~I'm not sure if this is a problem with LoL or just my client, however it occurred even after i repaired my client.~~ Checked with my teammates, they also had this problem. So it's a bug. EDIT: So it appears this is a quality issue with the client, i'll check this as soon as possible.
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