SourceDocumentAmount object not initialized in AX

Error Message:

When i do the Purchase order i was getting this message "SourceDocumentAmount object not initialized" after analyzed i got resolved this issue do the process same like below., 

 Classes >> AccountingDistributionProcessor >>  isMonetaryAmountFullyMatching

 

Replace the below code from existing one which i have commented

//originalAmount = matchedDistributionSourceDocLineItem.parmSourceDocumentAmountMap().lookup(monetaryAmountToCheckMatching).parmAmount();

    if(!matcheddistributionsourcedoclineitem.parmSourceDocumentAmountMap().empty())

    {

        originalAmount = matchedDistributionSourceDocLineItem.parmsourcedocumentamountmap().lookup(monetaryAmountToCheckMatching).parmamount();

    }

 

 

 Download and install the KB 4011348 Hotfix and enjoy it..!