fix: Validate account in Sales/Purchase Taxes and Charges Template (#…

…39013)

(cherry picked from commit cd37fd7)

erpnext/controllers/accounts_controller.py

@@ -2365,6 +2365,7 @@ def validate_taxes_and_charges(tax):
 
 def validate_account_head(idx, account, company, context=""):
 	account_company = frappe.get_cached_value("Account", account, "company")
+	is_group = frappe.get_cached_value("Account", account, "is_group")
 
 	if account_company != company:
 		frappe.throw(
@@ -2374,6 +2375,12 @@ def validate_account_head(idx, account, company, context=""):
 			title=_("Invalid Account"),
 		)
 
+	if is_group:
+		frappe.throw(
+			_("Row {0}: Account {1} is a Group Account").format(idx, frappe.bold(account)),
+			title=_("Invalid Account"),
+		)
+
 
 def validate_cost_center(tax, doc):
 	if not tax.cost_center: