actual cost from coep table not comming properly for wbs

Hello All,

I develop a z report for wbs detail as similar to s_alr_87013558, i m gatting the correct actual value for some wbs ,and not correct for some,

M selecting wtgbtr from COEP by passing -prps-objnr,lednr = '00' and wrttp = ' 4',beknz =''s'.

my problem is in a same project the actual value is comming correct for few wbs and its behave different for another 1.my my dev system the actual value is not present in rpsco table also. if a check the table menually for correct value i need to pass -prps-objnr,lednr = '00' and wrttp = ' 4',vrgng-'coin'.

Please help me in selecting the actual value ,may b m not passing the correct value in where condition.

where condition prps-objnr,lednr = '00' and wrttp = ' 4',beknz =''s'.