diff --git a/erpnext/controllers/budget_controller.py b/erpnext/controllers/budget_controller.py
index 547edeb1f02..eee9eca7f11 100644
--- a/erpnext/controllers/budget_controller.py
+++ b/erpnext/controllers/budget_controller.py
@@ -3,7 +3,7 @@ from collections import OrderedDict
 import frappe
 from frappe import _, qb
 from frappe.query_builder import Criterion
-from frappe.query_builder.functions import IfNull, Sum
+from frappe.query_builder.functions import IfNull, Max, Sum
 from frappe.utils import fmt_money
 
 from erpnext.accounts.doctype.budget.budget import BudgetError, get_accumulated_monthly_budget
@@ -260,7 +260,11 @@ class BudgetValidation:
 				qb.from_(mr)
 				.inner_join(mri)
 				.on(mr.name == mri.parent)
-				.select((Sum(IfNull(mri.stock_qty, 0) - IfNull(mri.ordered_qty, 0)) * mri.rate).as_("amount"))
+				# rate is outside the Sum (no GROUP BY -> implicit aggregate); Max() keeps it valid on
+				# postgres and matches MySQL's arbitrary single-rate choice for this aggregate.
+				.select(
+					(Sum(IfNull(mri.stock_qty, 0) - IfNull(mri.ordered_qty, 0)) * Max(mri.rate)).as_("amount")
+				)
 				.where(Criterion.all(conditions))
 				.run(as_dict=True)
 			):
diff --git a/erpnext/controllers/subcontracting_inward_controller.py b/erpnext/controllers/subcontracting_inward_controller.py
index fbacdc95a81..4907f2d8484 100644
--- a/erpnext/controllers/subcontracting_inward_controller.py
+++ b/erpnext/controllers/subcontracting_inward_controller.py
@@ -509,8 +509,9 @@ class SubcontractingInwardController:
 					(
 						Case()
 						.when(
+							# bool() so the literal renders as true/false; postgres rejects `OR <integer>`
 							(table.produced_qty < table.qty)
-							| ValueWrapper(allow_delivery_of_overproduced_qty),
+							| ValueWrapper(bool(allow_delivery_of_overproduced_qty)),
 							table.produced_qty,
 						)
 						.else_(table.qty)