At times, we will struggle with stock being not picked from the source bin, in this situation to investigate from technical level for issue related to the source bin determination, try to keep breakpoint on the FM ' /SCWM/REM_BIN_DET_INT' which will give you some hint related to the root cause of the issue
This blog will give an overview of all standard functionalities provided by SAP from Logistics perspective which we might have overlooked during our regular practise.