Not able to configure gatling + maven

I am trying to configure gatling + maven. but getting following error…

Maven Version - apache-maven-3.5.0
Gatling verision - gatling-charts-highcharts-bundle-2.2.5

mvn -X gatling:execute -Dusers=1 -Drampup=1 -Dduration=300 -Dpausemin=0 -Dpausemax=0 -Dnumreqlines=1 -DinstanceName=XX -Dgatling.simulationClass=XXXXXXX

got following error.