RPC_ERROR Odoo Server Error Traceback (most recent call last): File "/home/odoo/src/enterprise/account_reports/controllers/main.py", line 38, in get_report response.stream.write(report_obj.get_xlsx(options)) File "/home/odoo/src/enterprise/account_reports/models/account_report.py", line 1751, in get_xlsx elif level >= 3: TypeError: '>=' not supported between instances of 'NoneType' and 'int'