When Import a meshes then open the staticmesh editor and turn on the "Generate Lightmap UVs" in the Build Settings. Then hit apply button to genereate the Lightmaps. It will generate the Lightmap but it will not change Lightmap Coordinate Index to the new index the new light maps is. So in the most common case the index is 0 but the newly generated lightmap will 1 but it stays on 0. It should automatically switch the index to what ever the new light map index is.
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How can i modify the param name in EQS node
I am not able to find world outliner how to enable it?
Undefined sysmbol: typeinfo for AActor when cross-compile linux dedicated server on windows
Delay nodes occasionally don't fire the "Completed" output in a nativized build
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-18800 in the post.