contract po

Hi Gurus,

there is a issue

user has changed the material price in existing contract... from X to Y

after that when the user created the po with refrence to the contract... then the po didnt picked the new revised contract price... it has picked the old price

then he changed the price manually in po..

my question is why the system doesnt picked the new price ??

wat could be the causes... ( only that time it hasnt picked ...now the system is picking fine )

regards,

Subbu