Report View - Group By not working

Hey, I have tried grouping doctype Employee by link doctype Function.

Although it throws error:

App Versions

{
	"cyb_hrms": "0.0.1",
	"frappe": "14.24.0"
}

Route

List/Employee/Report

Trackeback

Error in query:
column "tabEmployee.name" must appear in the GROUP BY clause or be used in an aggregate function
LINE 1: ...e"."name" as varchar)) AS _aggregate_column, cast("tabEmploy...
                                                             ^

Traceback (most recent call last):
  File "apps/frappe/frappe/app.py", line 69, in application
    response = frappe.api.handle()
  File "apps/frappe/frappe/api.py", line 54, in handle
    return frappe.handler.handle()
  File "apps/frappe/frappe/handler.py", line 45, in handle
    data = execute_cmd(cmd)
  File "apps/frappe/frappe/handler.py", line 83, in execute_cmd
    return frappe.call(method, **frappe.form_dict)
  File "apps/frappe/frappe/__init__.py", line 1609, in call
    return fn(*args, **newargs)
  File "apps/frappe/frappe/__init__.py", line 789, in wrapper_fn
    retval = fn(*args, **get_newargs(fn, kwargs))
  File "apps/frappe/frappe/desk/reportview.py", line 29, in get
    data = compress(execute(**args), args=args)
  File "apps/frappe/frappe/desk/reportview.py", line 65, in execute
    return DatabaseQuery(doctype).execute(*args, **kwargs)
  File "apps/frappe/frappe/model/db_query.py", line 172, in execute
    result = self.build_and_run()
  File "apps/frappe/frappe/model/db_query.py", line 212, in build_and_run
    return frappe.db.sql(
  File "apps/frappe/frappe/database/postgres/database.py", line 199, in sql
    return super().sql(modify_query(query), modify_values(values), *args, **kwargs)
  File "apps/frappe/frappe/database/database.py", line 218, in sql
    self._cursor.execute(query, values)
psycopg2.errors.GroupingError: column "tabEmployee.name" must appear in the GROUP BY clause or be used in an aggregate function
LINE 1: ...e"."name" as varchar)) AS _aggregate_column, cast("tabEmploy...
                                                             ^


Request Data

{
	"type": "POST",
	"args": {
		"doctype": "Employee",
		"fields": "[\"`tabEmployee`.`function`\"]",
		"filters": "[]",
		"order_by": "_aggregate_column desc",
		"start": 0,
		"page_length": 20,
		"view": "Report",
		"with_comment_count": false,
		"aggregate_on_field": "name",
		"aggregate_on_doctype": "Employee",
		"aggregate_function": "count",
		"group_by": "`tabEmployee`.`function`"
	},
	"freeze": false,
	"freeze_message": "Loading...",
	"headers": {},
	"error_handlers": {},
	"url": "/api/method/frappe.desk.reportview.get"
}

Response Data

{
	"exception": ""
}

It works in local as expected although is not working in staging.