2LIS_02_SCL is missing goods received qtys when coming into BW

We have a scenario . We have the follow the sequence of schedule lines scl 1, scl2 and scl3. If scl1 and scl2 are delivered, then scl3 is changed to go before scl2, the material doc is switched to scl3 in the SCL extractor. The SCL extractor never picks up the goods receipt for scl 2 so we are missing a goods received for scl2.