wrong results with static load case ?

[PHMAU]

May be something is wrong in my data file ? see attached file.

This is the case of a simply supported plate Young modulus is 3e10. density 2500, thck 0.2
I modelised dead load by body command and a value 4905. corresponding to thick*9.81*density

the result shold be 1.739e-4.
I obtain 3e-5 !!

what is wrong ??
regards

[Prof. R.L. Taylor]

The body force is per unit thickness and is multiplied by the thickness by the code.