fix(accounts): set supplier name as title field in Purchase Invoice (#53710)

fix(accounts): update title field in purchase order and purchase invoice

(cherry picked from commit 5b1fa81451)

# Conflicts:
#	erpnext/buying/doctype/purchase_order/purchase_order.json

erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json

@@ -8,7 +8,6 @@
  "email_append_to": 1,
  "engine": "InnoDB",
  "field_order": [
-  "title",
   "naming_series",
   "supplier",
   "supplier_name",
@@ -209,16 +208,6 @@
   "connections_tab"
  ],
  "fields": [
-  {
-   "allow_on_submit": 1,
-   "default": "{supplier_name}",
-   "fieldname": "title",
-   "fieldtype": "Data",
-   "hidden": 1,
-   "label": "Title",
-   "no_copy": 1,
-   "print_hide": 1
-  },
   {
    "fieldname": "naming_series",
    "fieldtype": "Select",
@@ -1693,7 +1682,7 @@
  "idx": 204,
  "is_submittable": 1,
  "links": [],
- "modified": "2026-03-17 20:44:00.221219",
+ "modified": "2026-03-25 11:45:38.696888",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Purchase Invoice",
@@ -1756,6 +1745,6 @@
  "sort_order": "DESC",
  "states": [],
  "timeline_field": "supplier",
- "title_field": "title",
+ "title_field": "supplier_name",
  "track_changes": 1
 }

erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py

@@ -203,7 +203,6 @@ class PurchaseInvoice(BuyingController):
 		taxes_and_charges_deducted: DF.Currency
 		tc_name: DF.Link | None
 		terms: DF.TextEditor | None
-		title: DF.Data | None
 		to_date: DF.Date | None
 		total: DF.Currency
 		total_advance: DF.Currency

erpnext/buying/doctype/purchase_order/purchase_order.json

@@ -9,7 +9,11 @@
  "engine": "InnoDB",
  "field_order": [
   "supplier_section",
+<<<<<<< HEAD
   "title",
+=======
+  "company",
+>>>>>>> 5b1fa81451 (fix(accounts): set supplier name as title field in Purchase Invoice (#53710))
   "naming_series",
   "supplier",
   "supplier_name",
@@ -172,17 +176,6 @@
    "fieldtype": "Section Break",
    "options": "fa fa-user"
   },
-  {
-   "allow_on_submit": 1,
-   "default": "{supplier_name}",
-   "fieldname": "title",
-   "fieldtype": "Data",
-   "hidden": 1,
-   "label": "Title",
-   "no_copy": 1,
-   "print_hide": 1,
-   "reqd": 1
-  },
   {
    "fieldname": "naming_series",
    "fieldtype": "Select",
@@ -1328,7 +1321,7 @@
  "idx": 105,
  "is_submittable": 1,
  "links": [],
- "modified": "2026-03-09 17:15:29.184682",
+ "modified": "2026-03-25 11:46:18.748951",
  "modified_by": "Administrator",
  "module": "Buying",
  "name": "Purchase Order",

erpnext/buying/doctype/purchase_order/purchase_order.py

@@ -159,7 +159,6 @@ class PurchaseOrder(BuyingController):
 		taxes_and_charges_deducted: DF.Currency
 		tc_name: DF.Link | None
 		terms: DF.TextEditor | None
-		title: DF.Data
 		to_date: DF.Date | None
 		total: DF.Currency
 		total_net_weight: DF.Float