Grass turns Black in level Where Have i gone wrong?,My Grass mesh seems fine in the editor but Black in level how do i fix this?

Development Rendering
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hi . try this : ue4 will generate custom lightmap uv . must of times you dont need to create light map uv . so delete 2nd uv and try .

  1. i think this error is because your model uv is out of space of u:0-1 and v:0-1 in your 3d modeling software . try to adjust model uv within space of 0-1 .

28541-uvset.jpg
28541-uvset.jpg512×1024 85.2 KB

  1. if its not work try to change lightmap resolosion to some thing like 256 .