Gum.timeout error is coming in Jitsi meet running on docker

#1 
Name: gum.timeoutMessage: {"message":"Could not start media source. Timeout occured!","name":"gum.timeout","stack":"Error\n    at new s (/libs/lib-jitsi-meet.min.js?v=4900:1:128799)\n    at /libs/lib-jitsi-meet.min.js?v=4900:1:93610"} Stack: Error
    at new s (/libs/lib-jitsi-meet.min.js?v=4900:1:128799)
    at /libs/lib-jitsi-meet.min.js?v=4900:1:93610 

please help me to fix this issue