--upload-app is deprecated use --upload-package instead

Try adding the following lines to you /etc/ssh/ssh_config file... beware, use sublime, vim, VS Code or any other text editor except TextEdiit as it won't let you change the file... you will be asked for a administrator password (usually your account) when saving... HostkeyAlgorithms +ssh-rsa PubkeyAcceptedAlgorithms +ssh-rsa