fix: KSA QR field rename patch

erpnext/patches/v13_0/rename_ksa_qr_field.py

@@ -2,6 +2,7 @@
 # License: GNU General Public License v3. See license.txt
 
 import frappe
+from frappe.custom.doctype.custom_field.custom_field import create_custom_fields
 from frappe.model.utils.rename_field import rename_field
 
 
@@ -12,5 +13,20 @@ def execute():
 
 	if frappe.db.exists('DocType', 'Sales Invoice'):
 		frappe.reload_doc('accounts', 'doctype', 'sales_invoice', force=True)
+
+		# rename_field method assumes that the field already exists or the doc is synced
+		if not frappe.db.has_column('Sales Invoice', 'ksa_einv_qr'):
+			create_custom_fields({
+				'Sales Invoice': [
+					dict(
+						fieldname='ksa_einv_qr',
+						label='KSA E-Invoicing QR',
+						fieldtype='Attach Image',
+						read_only=1, no_copy=1, hidden=1
+					)
+				]
+			})
+
 		if frappe.db.has_column('Sales Invoice', 'qr_code'):
 			rename_field('Sales Invoice', 'qr_code', 'ksa_einv_qr')
+			frappe.delete_doc_if_exists("Custom Field", "Sales Invoice-qr_code")