Merge pull request #46712 from frappe/mergify/bp/version-14-hotfix/pr-46616

fix: do not validate if conversion rate is 1 for different currency (backport #46616)

Author: ruthra-kumar

erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py

@@ -1773,17 +1773,6 @@ def test_multi_currency_gle(self):
 
 		self.assertTrue(gle)
 
-	def test_invoice_exchange_rate(self):
-		si = create_sales_invoice(
-			customer="_Test Customer USD",
-			debit_to="_Test Receivable USD - _TC",
-			currency="USD",
-			conversion_rate=1,
-			do_not_save=1,
-		)
-
-		self.assertRaises(frappe.ValidationError, si.save)
-
 	def test_invalid_currency(self):
 		# Customer currency = USD
 

erpnext/controllers/accounts_controller.py

@@ -2459,12 +2459,17 @@ def check_conversion_rate(self):
 		default_currency = erpnext.get_company_currency(self.company)
 		if not default_currency:
 			throw(_("Please enter default currency in Company Master"))
-		if (
-			(self.currency == default_currency and flt(self.conversion_rate) != 1.00)
-			or not self.conversion_rate
-			or (self.currency != default_currency and flt(self.conversion_rate) == 1.00)
-		):
-			throw(_("Conversion rate cannot be 0 or 1"))
+
+		if not self.conversion_rate:
+			throw(_("Conversion rate cannot be 0"))
+
+		if self.currency == default_currency and flt(self.conversion_rate) != 1.00:
+			throw(_("Conversion rate must be 1.00 if document currency is same as company currency"))
+
+		if self.currency != default_currency and flt(self.conversion_rate) == 1.00:
+			frappe.msgprint(
+				_("Conversion rate is 1.00, but document currency is different from company currency")
+			)
 
 	def check_finance_books(self, item, asset):
 		if (