fix: allow nested accounts to be validated with accounting dimensions

erpnext/accounts/general_ledger.py

@@ -8,6 +8,7 @@
 from frappe import _
 from frappe.model.meta import get_field_precision
 from frappe.utils import cint, flt, formatdate, getdate, now
+from frappe.utils.nestedset import get_descendants_of
 
 import erpnext
 from erpnext.accounts.doctype.accounting_dimension.accounting_dimension import (
@@ -704,7 +705,12 @@ def validate_allowed_dimensions(gl_entry, dimension_filter_map):
 		dimension = key[0]
 		account = key[1]
 
-		if gl_entry.account == account:
+		if frappe.get_cached_value("Account", account, "is_group"):
+			accounts = get_descendants_of("Account", account)
+		else:
+			accounts = [account]
+
+		if gl_entry.account in accounts:
 			if value["is_mandatory"] and not gl_entry.get(dimension):
 				frappe.throw(
 					_("{0} is mandatory for account {1}").format(