I believe that “pkcs12 key.p12” is the problem. The file key.p12 is not copied correctly to the path.

Try this:

First, put the key.p12 in /etc/openvpn/

Then modify the ovpn file:

pkcs12 /etc/openvpn/key.p12

The file path should be absolute path.

Sorry for missing this thread. Please just reply and bring a post into attention if it is omitted.