2.6.9 can't find certificates

[SomebodyInGNV]

I'm a noob, trying to use 2.6.9 client to connect to a Netgear Orbi. It being an old router the implementation of OpenVPN apparently isn't great, but I've gotten past several errors. I now get errors related to the client not being able to find the crt files. Where are they supposed to be stored?

The compression and cipher settings are generated by the Orbi server. Do I need to take action?

Thanks in advance for your patience and assistance.

2024-03-18 23:55:23 WARNING: Compression for receiving enabled. Compression has been used in the past to break encryption. Sent packets are not compressed unless "allow-compression yes" is also set.
2024-03-18 23:55:23 DEPRECATED OPTION: --cipher set to 'AES-128-CBC' but missing in --data-ciphers (AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305). OpenVPN ignores --cipher for cipher negotiations.
2024-03-18 23:55:23 Note: '--allow-compression' is not set to 'no', disabling data channel offload.Options error: --ca fails with 'ca.crt': The system cannot find the file specified. (errno=2)
Options error: --cert fails with 'client.crt': The system cannot find the file specified. (errno=2)
2024-03-18 23:55:23 WARNING: cannot stat file 'client.key': The system cannot find the file specified. (errno=2)
Options error: --key fails with 'client.key': The system cannot find the file specified. (errno=2)
Options error: Please correct these errors.

[SomebodyInGNV]

Sorry, wrong section I think?