Sales Orders not getting transferred to APO from ECC

Hi to all.

We have following issue:

We have integration model for sales orders.

Generation and activation went well all statuses are "green".

But we cannot see sales orders in APO.

When I go to CCR transaction there are also no info about sales orders so I mean all fields consist only zeroes so even no info about errors and total number of sales orders also zero.

Also I must admit that there are no issues with Purch. Reqs/Purch.Orders and Stocks - everything is APO and visible in interactive book/rrp/ccr transactions.

What can be the root cause of this issue?

Thanks, Andrey.