I can not up the application

[satvaras_company]

Frappe from the
git clone GitHub - frappe/bench: CLI to manage Multi-tenant deployments for Frappe apps bench-repo
and
ERPNext from
bench get-app erpnext GitHub - frappe/erpnext: Free and Open Source Enterprise Resource Planning (ERP)

I can start application using bench serve
But getting error when try to start it using bench start

Added developer_mode = 1 under site configuration site_config.json file.