Getting error ENGINE-09008

I am using camunda-bpm-run-7.15.0 community and trying to deploy a process created on Intellij. I put bpm file on \camunda-bpm-run-7.15.0\configuration\resources and a war file on \camunda-bpm-run-7.15.0\internal\webapps … and when try start the process, occur that error bellow:

Cannot instantiate process definition SimpleDemo:1:3a447e8a-bfe7-11eb-9806-641c67cad650: ENGINE-09008 Exception while instantiating class ‘com.camunda.demo.SimpleDemo.CheckWeatherDelegate’: ENGINE-09017 Cannot load class ‘com.camunda.demo.SimpleDemo.CheckWeatherDelegate’: com.camunda.demo.SimpleDemo.CheckWeatherDelegate