TypeError: unsupported operand type(s) for +=: 'float' and 'unicode'

When i click into Accounts > Cash flow and some other functions. this happens

Traceback (most recent call last):
File “/home/frappe/frappe-bench/apps/frappe/frappe/app.py”, line 56, in application
response = frappe.handler.handle()
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 21, in handle
data = execute_cmd(cmd)
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 52, in execute_cmd
return frappe.call(method, **frappe.form_dict)
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 922, in call
return fn(*args, **newargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/query_report.py”, line 95, 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 54, in execute
accumulated_values=filters.accumulated_values, ignore_closing_entries=True, ignore_accumulated_values_for_fy= True)
File “/home/frappe/frappe-bench/apps/erpnext/erpnext/accounts/report/financial_statements.py”, line 141, in get_data
add_total_row(out, root_type, balance_must_be, period_list, company_currency)
File “/home/frappe/frappe-bench/apps/erpnext/erpnext/accounts/report/financial_statements.py”, line 236, in add_total_row
total_row[period.key] += row.get(period.key, 0.0)
TypeError: unsupported operand type(s) for +=: ‘float’ and ‘unicode’

I have try doing bench-update to the latest version, issue still persist. anyone can guide me here?

Can you please create a github issue?