[HELP] Can someone help me to fix this map

I have convert this map to fivem
I do every things
-make it to ymap
-steam addon prop
-generate _manifest

but when i start the map in server the floor is not loading
this is the link of the map and file i have convert
New Desert (Desert Alamo) - GTA5-Mods.com
alamo.zip (41.0 MB)