use linux client 2.5.x version connect server error

[fish-kings]

use linux client 2.5.x version connect server error,error info:Insufficient key material or header text not found in file '[[INLINE]]' (0/128/256 bytes found/min/max)

The startup command used is: openvpn --config /openvpn.ovpn

config file example is：

please help me ! thanks!!!

[fish-kings]

The Linux distribution I'm using is ubuntu 22.04, mint linux 22.1

[schwabe]

The tls-auth key is not in a format that OpenVPN supports. It should say OpenVPN key, NOT SSLVPN Static key.