abap/heap_area_total greater than maximum 2147483647

Hello.

I made changes for parameters abap/heap_area_nondia, abap/heap_area_total, abap/heap_area_dia but when i checked values i recieved message:

<b>abap/heap_area_dia 3000000000

E:abap/heap_area_dia greater than maximum 2147483647

ztta/roll_area 6500000

abap/heap_area_nondia 3000000000

E:abap/heap_area_nondia greater than maximum 2147483647

abap/heap_area_total 4000000000

E:abap/heap_area_total greater than maximum 2147483647 </b>

whats whrong?