Authenticator provider $SSH_SK_PROVIDER did not resolve SSH Connection ubuntu server

Hi everyone I'm using an Ubuntu server and I want to allow the access through any network in the world.

1. I configured the static ip address.
2. I have mapped the port 22-22 in the router configuration
3. I'm using the router ip address to perform an SSH connection

ssh user@router_ip -v

And here's the response:

OpenSSH_8.6p1, LibreSSL 3.3.6debug1: Reading configuration data /Users/my-mac-user/.ssh/configdebug1: Reading configuration data /Users/my-mac-user/.colima/ssh_configdebug1: /Users/my-mac-user/.ssh/config line 15: Applying options for *debug1: Reading configuration data /etc/ssh/ssh_configdebug1: /etc/ssh/ssh_config line 21: include /etc/ssh/ssh_config.d/* matched no filesdebug1: /etc/ssh/ssh_config line 54: Applying options for *debug1: Authenticator provider $SSH_SK_PROVIDER did not resolve; disablingdebug1: Connecting to router_ip [router_ip] port 22.