What does that mean and what do I do?

Missed a court date for Operate Vehicle On Highway Without A Valid License – 1st Offense { Misdemeanor Unclassified RSMo: 302.020. I looked on line and it shows the following:
Show Cause Issd-Fail to Appear Cause summons issued to sheriff.

Traffic Lawyer Richard Simon’s Answer

Means you have a bench warrant and need to hire an attorney to settle matters.