Make the FPE file look like this and it should work for you.
Relod the map or re set this object on the map.
;header
desc = SandMarsBox
;visualinfo
textured = texturedecal.dds
effect = effectbank\reloaded\decal_animate8.fx
transparency = 5
castshadow = -1
;orientation
model = sablemars.x
offx = 0
offy = 0
offz = 0
rotx = 0
roty = 0
rotz = 0
fixnewy = 180
defaultstatic = 0
materialindex = 3
collisionmode = 11
scale = 20000
;Sound
soundset =
;soundset1 =
;statistics
strength = 25
explodable = 0
debrisshape = 1
;ai
aimain = marsbox_followplr.lua
;spawn
spawnmax = 0
spawndelay = 0
spawnqty = 0
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.