Update purchase-order -line-deletion-restriction

Author: Shubhs93

support/dynamics-365/supply-chain/procurement/purchase-order -line-deletion-restriction

@@ -1,3 +1,11 @@
+---
+title: Purchase Order Line Deletion Restriction
+description : Users are unable to delete purchase order lines under specific conditions.
+ms.reviewer: 
+ms.date: 
+ms.custom: sap:Purchase order procurement and sourcing\Issues with purchase orderss
+---
+
 # Purchase Order Line Deletion Restriction
 
 ## Symptoms