We have gone through below steps.
1. Use either ABAP on eclipse or Hana Studio to make the changes
2. Open the access control C_PURCHASEORDERLIMITITEM.
3. Change all occurences of "_PurchaseOrderTP" with " _PurchaseOrderEnhanced"
While performing above step we are getting below error.
Description Resource Path Location Type
Invalid association _PURCHASEORDERENHANCED of entity C_PURCHASEORDERLIMITITEM. Check path definition in DDL C_PURCHASEORDERLIMITITEM (Access Control) [QAH] C_PURCHASEORDERLIMITITEM line 6 ABAP Syntax Check Problem