Speedtree to Unreal 5.6 LODs not working/exporting correctly

Hello!

I really hope you can help me, i made a palm tree in Speedtree and every time i export it using the file type “Unreal st9” file or FBX the LODs are basically broken, the LOD 0 is perfect with no problems but LOD 1 and 2 have problems

1-All my cutout meshes in Speedtree have High,Mid and Low versions, when i export everything is high version, no matter what LOD i select all leafs have same LOD version.

2-LOD 1 and 2 have missing random geometrys, leafs or branches completely gone

3-Every LOD, the entire geometry of each leaf is duplicated ( the ones in the top of the palm tree, so basically for every leaf i have 2 leaf) , leafs in the trunk don’t have duplicated geometry.

My settings are the same for all materials!, Last thing, in the viewport in speedtree when i change between LOD high and LOD low, every cutout change accordingly ( all good ), but between LOD high and LOD mid only the trunk changes, nothing else

Please help me! Or how can i contact speedtree devs ? Thanks

Pedro