fix: added patch to fix missing FG item

erpnext/patches.txt

@@ -291,3 +291,4 @@ erpnext.patches.v13_0.rename_issue_status_hold_to_on_hold
 erpnext.patches.v13_0.bill_for_rejected_quantity_in_purchase_invoice
 erpnext.patches.v13_0.update_job_card_details
 erpnext.patches.v13_0.update_level_in_bom #1234sswef
+erpnext.patches.v13_0.add_missing_fg_item_for_stock_entry

erpnext/patches/v13_0/add_missing_fg_item_for_stock_entry.py

@@ -0,0 +1,107 @@
+# Copyright (c) 2020, Frappe and Contributors
+# License: GNU General Public License v3. See license.txt
+
+import frappe
+from frappe.utils import cstr, flt, cint
+from erpnext.stock.stock_ledger import make_sl_entries
+from erpnext.controllers.stock_controller import create_repost_item_valuation_entry
+
+def execute():
+	if not frappe.db.has_column('Work Order', 'has_batch_no'):
+		return
+
+	if cint(frappe.db.get_single_value('Manufacturing Settings', 'make_serial_no_batch_from_work_order')):
+		return
+
+	frappe.reload_doc('manufacturing', 'doctype', 'work_order')
+	filters = {
+		'docstatus': 1,
+		'produced_qty': ('>', 0),
+		'creation': ('>=', '2021-06-29 00:00:00'),
+		'has_batch_no': 1
+	}
+
+	fields = ['name', 'production_item']
+
+	work_orders = [d.name for d in frappe.get_all('Work Order', filters = filters, fields=fields)]
+
+	repost_stock_entries = []
+	stock_entries = frappe.db.sql_list('''
+		SELECT
+			se.name
+		FROM
+			`tabStock Entry` se
+		WHERE
+			se.purpose = 'Manufacture' and se.docstatus < 2 and se.work_order in {work_orders}
+			and not exists(
+				select name from `tabStock Entry Detail` sed where sed.parent = se.name and sed.is_finished_item = 1
+			)
+		Order BY
+			se.posting_date, se.posting_time
+	'''.format(work_orders=tuple(work_orders)))
+
+	if stock_entries:
+		print('Length of stock entries', len(stock_entries))
+
+	for stock_entry in stock_entries:
+		doc = frappe.get_doc('Stock Entry', stock_entry)
+		doc.set_work_order_details()
+		doc.load_items_from_bom()
+		doc.calculate_rate_and_amount()
+		set_expense_account(doc)
+		doc.make_batches('t_warehouse')
+
+		if doc.docstatus == 0:
+			doc.save()
+		else:
+			repost_stock_entry(doc)
+			repost_stock_entries.append(doc)
+
+	for repost_doc in repost_stock_entries:
+		repost_future_sle_and_gle(repost_doc)
+
+def set_expense_account(doc):
+	for row in doc.items:
+		if row.is_finished_item and not row.expense_account:
+			row.expense_account = frappe.get_cached_value('Company', doc.company, 'stock_adjustment_account')
+
+def repost_stock_entry(doc):
+	doc.db_update()
+	for child_row in doc.items:
+		if child_row.is_finished_item:
+			child_row.db_update()
+
+	sl_entries = []
+	finished_item_row = doc.get_finished_item_row()
+	get_sle_for_target_warehouse(doc, sl_entries, finished_item_row)
+
+	if sl_entries:
+		try:
+			make_sl_entries(sl_entries, True)
+		except Exception:
+			print(f'SLE entries not posted for the stock entry {doc.name}')
+			traceback = frappe.get_traceback()
+			frappe.log_error(traceback)
+
+def get_sle_for_target_warehouse(doc, sl_entries, finished_item_row):
+	for d in doc.get('items'):
+		if cstr(d.t_warehouse) and finished_item_row and d.name == finished_item_row.name:
+			sle = doc.get_sl_entries(d, {
+				"warehouse": cstr(d.t_warehouse),
+				"actual_qty": flt(d.transfer_qty),
+				"incoming_rate": flt(d.valuation_rate)
+			})
+
+			sle.recalculate_rate = 1
+			sl_entries.append(sle)
+
+def repost_future_sle_and_gle(doc):
+	args = frappe._dict({
+		"posting_date": doc.posting_date,
+		"posting_time": doc.posting_time,
+		"voucher_type": doc.doctype,
+		"voucher_no": doc.name,
+		"company": doc.company
+	})
+
+	create_repost_item_valuation_entry(args)

erpnext/stock/doctype/stock_entry/stock_entry.py

@@ -719,6 +719,10 @@ def validate_finished_goods(self):
 			frappe.throw(_("Multiple items cannot be marked as finished item"))
 
 		if self.purpose == "Manufacture":
+			if not finished_items:
+				frappe.throw(_('Finished Good has not set in the stock entry {0}')
+					.format(self.name))
+
 			allowance_percentage = flt(frappe.db.get_single_value("Manufacturing Settings",
 				"overproduction_percentage_for_work_order"))