fix: landed cost voucher not submitting because of incorrect reference (backport #39898) (#39899)

fix: landed cost voucher not submitting because of incorrect reference (#39898)

(cherry picked from commit 6239fd704b)

Co-authored-by: rohitwaghchaure <rohitw1991@gmail.com>

erpnext/controllers/buying_controller.py

@@ -190,8 +190,8 @@ class BuyingController(SubcontractingController):
 			lc_voucher_data = frappe.db.sql(
 				"""select sum(applicable_charges), cost_center
 				from `tabLanded Cost Item`
-				where docstatus = 1 and purchase_receipt_item = %s""",
-				d.name,
+				where docstatus = 1 and purchase_receipt_item = %s and receipt_document = %s""",
+				(d.name, self.name),
 			)
 			d.landed_cost_voucher_amount = lc_voucher_data[0][0] if lc_voucher_data else 0.0
 			if not d.cost_center and lc_voucher_data and lc_voucher_data[0][1]:

erpnext/stock/doctype/landed_cost_voucher/landed_cost_voucher.py

@@ -38,6 +38,7 @@ class LandedCostVoucher(Document):
 	def validate(self):
 		self.check_mandatory()
 		self.validate_receipt_documents()
+		self.validate_line_items()
 		init_landed_taxes_and_totals(self)
 		self.set_total_taxes_and_charges()
 		if not self.get("items"):
@@ -45,6 +46,26 @@ class LandedCostVoucher(Document):
 
 		self.set_applicable_charges_on_item()
 
+	def validate_line_items(self):
+		for d in self.get("items"):
+			if (
+				d.docstatus == 0
+				and d.purchase_receipt_item
+				and not frappe.db.exists(
+					d.receipt_document_type + " Item",
+					{"name": d.purchase_receipt_item, "parent": d.receipt_document},
+				)
+			):
+				frappe.throw(
+					_("Row {0}: {2} Item {1} does not exist in {2} {3}").format(
+						d.idx,
+						frappe.bold(d.purchase_receipt_item),
+						d.receipt_document_type,
+						frappe.bold(d.receipt_document),
+					),
+					title=_("Incorrect Reference Document (Purchase Receipt Item)"),
+				)
+
 	def check_mandatory(self):
 		if not self.get("purchase_receipts"):
 			frappe.throw(_("Please enter Receipt Document"))