MR11- Cost-Centre-Bridge

Dear Experts,

Iam using the transaction MR11 for booking.In course of the booking for some purchase order I get the message that the "Cost centre does not exist" ,which is true .But If I look in to this costcentre using KS03,I see the Cost-Centre-Bridge cost centre which is Valid.

When the Cost centre Bridge is Valid for a cost centre,I want the MR11 to book it into this costcentre.

How can I achieve that.

Any help here is appreciated.

Thanks
P