Exchange rate in Formula Price

Hi,

we manage the final and provisional rules in a Formula price.

We choose the following parameters for quatation and exchange rate:

QUOTATION:

Reference date exit         7   Purchase order date

Ref.date offset             1   No offset

Time unit of measure        10  Quoted Days

1. of time units:     Before 10               After 0

No quotat'n handling 1   Continue Processing

Weekend rule         0

Non-posted days rule 0

EXCHANGE RATE

Average curr rule    1   Currency Averaging

Factory calendar     FR

Fixed Period:        From               To

Curr.reference date         7   Purchase order date

Curr ref date offset        1   No offset

Curr time UoM               10  Quoted Days

1. of time units:     Before 10               After 0

No exg rate handling 1   Continue Processing

Curr weekend rule    0

Curr non-posted days 0

The quotation and the exchange rate exisists into the tables, but when we create a purchase order the system give us an error with a price = 0.

Moreover in we change the parameter 'Curr time UoM ' for the exchange rate (using 1 days) the system give us the right price.

So we nedd to have also the possibility to use '10 qouted days' for the exchange rate.

Someone can help us?

Regards