When running a test in appium java,showing this error

Support
1

/Users/vk14/git/UserApplication/src/main/java/com/pixbit/appium/utilities/IosActions.java:84:15
java: cannot access org.openqa.selenium.ContextAware
class file for org.openqa.selenium.ContextAware not found

2

Full log please, would prefer it as a git gist.