Error of Cash Flow Report Generate

When I am generate Cash flow/Balance sheet/PL then this error message generate plz help me what is problem…

Traceback (most recent call last):
File “/home/frappe/frappe-bench/apps/frappe/frappe/app.py”, line 55, in application
response = frappe.handler.handle()
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 19, in handle
execute_cmd(cmd)
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 36, in execute_cmd
ret = frappe.call(method, **frappe.form_dict)
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 890, in call
return fn(*args, **newargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/query_report.py”, line 93, in run
res = frappe.get_attr(method_name)(frappe.dict(filters))
File “/home/frappe/frappe-bench/apps/erpnext/erpnext/accounts/report/cash_flow/cash_flow.py”, line 13, in execute
period_list = get_period_list(filters.from_fiscal_year, filters.to_fiscal_year, filters.periodicity)
File “/home/frappe/frappe-bench/apps/erpnext/erpnext/accounts/report/financial_statements.py”, line 64, in get_period_list
label = formatdate(opts[“to_date”], “MMM YYYY”)
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/data.py”, line 217, in formatdate
return babel.dates.format_date(date, format_string, locale=(frappe.local.lang or “”).replace(“-”, "
"))
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/babel/dates.py”, line 682, in format_date
locale = Locale.parse(locale)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/babel/core.py”, line 333, in parse
raise UnknownLocaleError(input_id)
UnknownLocaleError: unknown locale u’bd’
Report this issue

Maybe the locale ‘bd’ is not present on your machine, you can try
sudo apt-get install --reinstall python-babel-localedata