0P_CURPR variable not found

Dear All,

I am working on currency conversion. When I tried to create a currency conversion type I supposed to have a 0P_CURPR variable of 0CURRENCY but which I am not able to find in my system. My system configuration is as below

SAP_BASIS 730 0007 SAPKB73007 SAP Basis Component

SAP_ABA 730 0007 SAPKA73007 Cross-Application Component

PI_BASIS 730 0007 SAPK-73007INPIBASIS Basis Plug-In

ST-PI 2008_1_710 0005 SAPKITLRE5 SAP Solution Tools Plug-In

SAP_BW 730 0007 SAPKW73007 SAP Business Warehouse

BI_CONT 736 0001 SAPK-73601INBICONT Business Intelligence Content

ST-A/PI 01N_710BCO 0001 SAPKITAB8H Servicetools for other App./Netweaver200

Pls help me detail steps.

Thanks in advance.

Cheers

Armadhu