ddcci module suddenly stopped working

comman i tried

sudo modprobe ddcci

syslog

Jul 18 13:59:17 phoenix systemd-modules-load[393]: Inserted module 'ddcci'Jul 18 13:59:17 phoenix kernel: [2.991677] ddcci: loading out-of-tree module taints kernel. Jul 18 13:59:17 phoenix kernel: [2.991697] ddcci: module verification failed: signature and/or required key missing - tainting kernel 

I am using ubuntu 20.04 with i3wm