diff --git a/erpnext/buying/report/procurement_tracker/procurement_tracker.py b/erpnext/buying/report/procurement_tracker/procurement_tracker.py
index 10169c554fb..fd30ddf6884 100644
--- a/erpnext/buying/report/procurement_tracker/procurement_tracker.py
+++ b/erpnext/buying/report/procurement_tracker/procurement_tracker.py
@@ -305,7 +305,9 @@ def get_po_entries(filters):
 			& (parent.name == child.parent)
 			& (parent.status.notin(("Closed", "Completed", "Cancelled")))
 		)
-		.groupby(parent.name, child.material_request_item)
+		# This is one row per PO item; the selected child.* columns are only functionally dependent
+		# on the child PK, which postgres requires in the GROUP BY (MariaDB allows omitting it).
+		.groupby(parent.name, child.material_request_item, child.name)
 	)
 	query = apply_filters_on_query(filters, parent, child, query)
 
diff --git a/erpnext/buying/report/procurement_tracker/test_procurement_tracker.py b/erpnext/buying/report/procurement_tracker/test_procurement_tracker.py
index 1577bf2cbf6..f1781c15e05 100644
--- a/erpnext/buying/report/procurement_tracker/test_procurement_tracker.py
+++ b/erpnext/buying/report/procurement_tracker/test_procurement_tracker.py
@@ -6,4 +6,16 @@ from erpnext.tests.utils import ERPNextTestSuite
 
 
 class TestProcurementTracker(ERPNextTestSuite):
-	pass
+	def test_report_executes_and_lists_po(self):
+		# get_po_entries groups by (Purchase Order, material_request_item, Purchase Order Item)
+		# while selecting other child columns; this exercises that GROUP BY so the report stays
+		# valid on Postgres (which rejects selecting non-grouped columns).
+		from erpnext.buying.doctype.purchase_order.test_purchase_order import create_purchase_order
+		from erpnext.buying.report.procurement_tracker.procurement_tracker import execute
+
+		po = create_purchase_order(company="_Test Company")
+
+		columns, data = execute({"company": "_Test Company"})
+
+		self.assertTrue(columns)
+		self.assertIn(po.name, {row.get("purchase_order") for row in data})
diff --git a/erpnext/buying/report/purchase_order_analysis/purchase_order_analysis.py b/erpnext/buying/report/purchase_order_analysis/purchase_order_analysis.py
index b6bf1d9f8da..5522aac1044 100644
--- a/erpnext/buying/report/purchase_order_analysis/purchase_order_analysis.py
+++ b/erpnext/buying/report/purchase_order_analysis/purchase_order_analysis.py
@@ -71,7 +71,9 @@ def get_data(filters):
 			po_item.name,
 		)
 		.where((po_item.parent == po.name) & (po.status.notin(("Stopped", "On Hold"))) & (po.docstatus == 1))
-		.groupby(po_item.name)
+		# the selected po.* columns need the Purchase Order PK grouped on postgres; po.name is 1:1
+		# with the grouped po_item.name, so groups are unchanged.
+		.groupby(po_item.name, po.name)
 		.orderby(po.transaction_date)
 	)
 
diff --git a/erpnext/buying/report/purchase_order_analysis/test_purchase_order_analysis.py b/erpnext/buying/report/purchase_order_analysis/test_purchase_order_analysis.py
new file mode 100644
index 00000000000..7b7eda56a05
--- /dev/null
+++ b/erpnext/buying/report/purchase_order_analysis/test_purchase_order_analysis.py
@@ -0,0 +1,28 @@
+# Copyright (c) 2025, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from frappe.utils import add_days, nowdate
+
+from erpnext.tests.utils import ERPNextTestSuite
+
+
+class TestPurchaseOrderAnalysis(ERPNextTestSuite):
+	def test_report_executes_and_lists_po(self):
+		# get_data groups by (Purchase Order Item, Purchase Order) while selecting other parent
+		# columns; this exercises that GROUP BY so the report stays valid on Postgres (which rejects
+		# selecting non-grouped columns).
+		from erpnext.buying.doctype.purchase_order.test_purchase_order import create_purchase_order
+		from erpnext.buying.report.purchase_order_analysis.purchase_order_analysis import execute
+
+		po = create_purchase_order(company="_Test Company")
+
+		filters = {
+			"company": "_Test Company",
+			"from_date": add_days(nowdate(), -1),
+			"to_date": add_days(nowdate(), 1),
+		}
+		result = execute(filters)
+		columns, data = result[0], result[1]
+
+		self.assertTrue(columns)
+		self.assertIn(po.name, {row.get("purchase_order") for row in data})