Exception in thread "main" java.lang.NoSuchMethodError: io.gatling.core.Predef$. configuration()Lio/gatling/core/config/GatlingConfiguration;

I am unable to fix this issues, could you please help me to fix this issue? Thanks in advance.

Below is the complete error details.

Simulation advanced.AGIS_V01_June2016 started…
Exception in thread “main” java.lang.NoSuchMethodError: io.gatling.core.Predef$.
configuration()Lio/gatling/core/config/GatlingConfiguration;
at advanced.AGIS_V01_June2016.(AGIS_V01_June2016.scala:13)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Sou
rce)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at io.gatling.core.runner.Runner.run(Runner.scala:36)
at io.gatling.app.Gatling$$anonfun$runSimulationIfNecessary$1.apply(Gatl
ing.scala:138)
at io.gatling.app.Gatling$$anonfun$runSimulationIfNecessary$1.apply(Gatl
ing.scala:123)
at scala.Option.getOrElse(Option.scala:121)
at io.gatling.app.Gatling.runSimulationIfNecessary(Gatling.scala:123)
at io.gatling.app.Gatling.start(Gatling.scala:73)
at io.gatling.app.Gatling$.fromArgs(Gatling.scala:59)
at io.gatling.app.Gatling$.main(Gatling.scala:44)
at io.gatling.app.Gatling.main(Gatling.scala)
Press any key to continue . . .