Error when initiating a Virtual Machine

Hello, I need your help, I am doing a cloud project with OpenNebula but I found an error that I cannot solve.

I hope you can help me

Sun Nov 15 08:12:33 2020 [Z0][VM][I]: New state is ACTIVE
Sun Nov 15 08:12:33 2020 [Z0][VM][I]: New LCM state is PROLOG
Sun Nov 15 08:13:08 2020 [Z0][VM][I]: New LCM state is BOOT
Sun Nov 15 08:13:08 2020 [Z0][VMM][I]: Generating deployment file: /var/lib/one/vms/4/deployment.0
Sun Nov 15 08:13:10 2020 [Z0][VMM][I]: Successfully execute transfer manager driver operation: tm_context.
Sun Nov 15 08:13:12 2020 [Z0][VMM][I]: ExitCode: 0
Sun Nov 15 08:13:12 2020 [Z0][VMM][I]: Successfully execute network driver operation: pre.
Sun Nov 15 08:13:12 2020 [Z0][VMM][I]: Command execution fail: cat << EOT | /var/tmp/one/vmm/kvm/deploy ‘/var/lib/one//datastores/0/4/deployment.0’ ‘opennebula’ 4 opennebula
Sun Nov 15 08:13:12 2020 [Z0][VMM][I]: error: Failed to create domain from /var/lib/one//datastores/0/4/deployment.0
Sun Nov 15 08:13:12 2020 [Z0][VMM][I]: error: unsupported configuration: disk type ‘virtio’ of ‘vda’ does not support ejectable media
Sun Nov 15 08:13:12 2020 [Z0][VMM][E]: Could not create domain from /var/lib/one//datastores/0/4/deployment.0
Sun Nov 15 08:13:12 2020 [Z0][VMM][I]: ExitCode: 255
Sun Nov 15 08:13:12 2020 [Z0][VMM][I]: ExitCode: 0
Sun Nov 15 08:13:12 2020 [Z0][VMM][I]: Successfully execute network driver operation: clean.
Sun Nov 15 08:13:12 2020 [Z0][VMM][I]: Failed to execute virtualization driver operation: deploy.
Sun Nov 15 08:13:12 2020 [Z0][VMM][E]: Error deploying virtual machine: Could not create domain from /var/lib/one//datastores/0/4/deployment.0
Sun Nov 15 08:13:12 2020 [Z0][VM][I]: New LCM state is BOOT_FAILURE