Minor fix in bom_stock_qty patch
diff --git a/erpnext/patches/v8_0/update_stock_qty_value_in_bom_item.py b/erpnext/patches/v8_0/update_stock_qty_value_in_bom_item.py
index 9e95eb0..1f937bb 100644
--- a/erpnext/patches/v8_0/update_stock_qty_value_in_bom_item.py
+++ b/erpnext/patches/v8_0/update_stock_qty_value_in_bom_item.py
@@ -10,4 +10,5 @@
 	frappe.reload_doc('manufacturing', 'doctype', 'bom_scrap_item')
 	frappe.db.sql("update `tabBOM Item` set stock_qty = qty, uom = stock_uom, conversion_factor = 1")
 	frappe.db.sql("update `tabBOM Explosion Item` set stock_qty = qty")
-	frappe.db.sql("update `tabBOM Scrap Item` set stock_qty = qty")
\ No newline at end of file
+	if "qty" in frappe.db.get_table_columns("BOM Scrap Item"):
+		frappe.db.sql("update `tabBOM Scrap Item` set stock_qty = qty")
\ No newline at end of file