3135372 - Long time during delivery creation

You try to create the delivery from sales order in transaction VL01N in ECC system, but it is still running and doesn't finish.

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental. 

•SAP ERP Available-to-Promise (ATP)
•SAP R/3
•SAP R/3 Enterprise 4.7
•SAP ERP
•SAP Enhancement package for SAP ERP
•SAP Enhancement package for SAP ERP, version for SAP HANA 
•APO Advanced Planner and Optimizer
•SAP Supply Chain Management
•SAP enhancement package for SAP Supply Chain Management

VL01; VL10B; VL10C; VA02; STO; CHARG; CHARG_D; RFC; /SAPAPO/POSMAPN;  , KBA , SCM-APO-ATP , Global Available-to-Promise , SCM-APO-ATP-BF-PAC , Product Availability Check , SCM-APO-INT-SLS , Sales , Problem