Shipment Number Disappeared From SO Lines After Print Pick Slip

I was Creating Packing List usual... 

I merged 3 shipments from 2 SOs , And my new Shipment contains 13 lines 

until now everything is ok, Last status is 520 next status is 540 

When I did print pick slip
4 lines is ok and still in the shipment with status 545, but 9 lines disappered from the shipment, I can still find it in the SO with status 540 but with no shipments number?!

Plese notice that I removed SO lines to create new shipments because it was the last QTYs in that SOs

JD 2.jpg JD 1.jpg

Could you please help me with this problem. 

Thanks in advance :)