Struct variable 'globalWaterData' is ignored.

[MCPGNZ]

After importing the package we see shader compilation error:

Fragment program 'frag': Struct variable 'globalWaterData' is ignored. Only instancing constant buffers can have struct variables

Reason: In the Unity 2017.3 , the shader compiler requires static keyword on globally shared struct variables.

This will be integrated in the new release.
The quick fix for those who need it is to go to the WaterLib.cginc and change the line declaring data
from:
WaterData globalWaterData;
to:
static WaterData globalWaterData;
and reimport the shaders.

unity: 2017.3.0f3
uws version: 2.0.0b3