Anypoint Studio startup velocity error

2018-09-28 22:02:58,348 - Couldn't find class org.apache.velocity.runtime.log.AvalonLogChute or necessary supporting classes in classpath.
java.lang.NoClassDefFoundError: org/apache/log/format/Formatter
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:348)
    at org.apache.velocity.util.ClassUtils.getClass(ClassUtils.java:63)
    at org.apache.velocity.util.ClassUtils.getNewInstance(ClassUtils.java:95)
    at org.apache.velocity.runtime.log.LogManager.createLogChute(LogManager.java:147)
    at org.apache.velocity.runtime.log.LogManager.updateLog(LogManager.java:208)
    at org.apache.velocity.runtime.RuntimeInstance.initializeLog(RuntimeInstance.java:728)
    at org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:240)
    at org.apache.velocity.runtime.RuntimeSingleton.init(RuntimeSingleton.java:113)
    at org.apache.velocity.app.Velocity.init(Velocity.java:83)
    at org.mule.tooling.core.io.MuleResourceUtils.executeVelocityTemplate(MuleResourceUtils.java:721)
    at org.mule.tooling.runtime.controller.MuleControllerUtils.initializeMuleConfig(MuleControllerUtils.java:201)
    at org.mule.tooling.runtime.controller.MuleController.start(MuleController.java:76)
    at org.mule.tooling.client.startup.ToolingManager.setup(ToolingManager.java:305)
    at org.mule.tooling.client.startup.ToolingManager.getToolingInstance(ToolingManager.java:138)
    at org.mule.tooling.client.startup.ToolingClientStartup$1.run(ToolingClientStartup.java:19)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56)
Caused by: java.lang.ClassNotFoundException: org.apache.log.format.Formatter cannot be found by org.apache.velocity_1.5.0.v200905192330
    at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:484)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)
    at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)