Issue = Pick Release backordered Sales Order even though Supply is available in Inventory Warehouse
Module = Oracle Order Management & Oracle Inventory
Error = Pick Release report output shows error "Message:Pick Release process could not allocate 1 of item WM101 for order 208864 as there was insufficient quantity available Or Inventory allocations have failed, and the line has been back ordered.".
Resolution = On investigation it was found that the current Inventory period was not open. To do this simply go to Inventory responsibility > Accounting Close Cycle > Inventory Accounting Periods, and then open the current period.
Once its done, then change to Order Management responsibility and rerun Pick Release and this time the delivery should be pick released successfully
Environment = Oracle E-Business Suite Release 12.2.7
Operaring System = Oracle Linux x86-64