OVPN client does not start

I have some vpn config file , i got no problem while using them on my pc or my iphone, but i get error when connecting with Mango router.

Mon Sep  9 12:57:31 2024 daemon.warn ovpnclient[1836]: Use --help for more information.
Mon Sep  9 12:57:36 2024 daemon.notice netifd: Interface 'ovpnclient' is now down
Mon Sep  9 12:57:40 2024 user.notice mwan3[2161]: Execute ifdown event on interface ovpnclient (unknown)
Mon Sep  9 12:57:48 2024 user.notice firewall: Reloading firewall due to ifdown of ovpnclient ()
Mon Sep  9 12:57:57 2024 daemon.notice netifd: Interface 'ovpnclient' is setting up now
Mon Sep  9 12:57:58 2024 daemon.err ovpnclient[3159]: Options error: unknown --redirect-gateway flag: def0
Mon Sep  9 12:57:58 2024 daemon.warn ovpnclient[3159]: Use --help for more information.
Mon Sep  9 12:58:02 2024 daemon.notice netifd: ovpnclient (3163): [!] Section @forwarding[0] is disabled, ignoring section
Mon Sep  9 12:58:02 2024 daemon.notice netifd: ovpnclient (3163): [!] Section @forwarding[1] is disabled, ignoring section
Mon Sep  9 12:58:02 2024 daemon.notice netifd: ovpnclient (3163): [!] Section nat6 option 'reload' is not supported by fw4
Mon Sep  9 12:58:02 2024 daemon.notice netifd: ovpnclient (3163): [!] Section gls2s option 'reload' is not supported by fw4
Mon Sep  9 12:58:02 2024 daemon.notice netifd: ovpnclient (3163): [!] Section gls2s specifies unreachable path '/var/etc/gls2s.include', ignoring section
Mon Sep  9 12:58:02 2024 daemon.notice netifd: ovpnclient (3163): [!] Section glblock option 'reload' is not supported by fw4
Mon Sep  9 12:58:02 2024 daemon.notice netifd: ovpnclient (3163): [!] Section vpn_server_policy option 'reload' is not supported by fw4
Mon Sep  9 12:58:02 2024 daemon.notice netifd: ovpnclient (3163): [!] Automatically including '/usr/share/nftables.d/chain-pre/mangle_output/01-process_mark.nft'
Mon Sep  9 12:58:02 2024 daemon.notice netifd: ovpnclient (3163): [!] Automatically including '/usr/share/nftables.d/chain-post/mangle_output/out_conn_mark_restore.nft'
Mon Sep  9 12:58:03 2024 daemon.notice netifd: Interface 'ovpnclient' is now down
Mon Sep  9 12:58:03 2024 daemon.notice netifd: Interface 'ovpnclient' is setting up now
Mon Sep  9 12:58:04 2024 daemon.err ovpnclient[3395]: Options error: unknown --redirect-gateway flag: def0
Mon Sep  9 12:58:04 2024 daemon.warn ovpnclient[3395]: Use --help for more information.

It related to the option or parameter '--redirect-gateway flag: def0' in the .ovpn file.

Try, remove '--redirect-gateway flag: def0'
or change to '--redirect-gateway local'
or change to '--redirect-gateway def1'

Thanks buddy , problem Fixed.