Update purchase_order_item.json
diff --git a/erpnext/buying/doctype/purchase_order_item/purchase_order_item.json b/erpnext/buying/doctype/purchase_order_item/purchase_order_item.json
index 02e3d8f..6fb6af7 100755
--- a/erpnext/buying/doctype/purchase_order_item/purchase_order_item.json
+++ b/erpnext/buying/doctype/purchase_order_item/purchase_order_item.json
@@ -165,7 +165,7 @@
    "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
-   "reqd": 1, 
+   "reqd": 0, 
    "search_index": 1, 
    "set_only_once": 0, 
    "unique": 0
@@ -1503,4 +1503,4 @@
  "sort_field": "modified", 
  "sort_order": "DESC", 
  "track_seen": 0
-}
\ No newline at end of file
+}