Error in custom backend logic

[mubtada-a-naqvi]

Hi
I have download a custom backend logic project from console for after user registration, edited in IntelliJ. I have also configured the output path which is CodeRunner/class.
Then I execute the CodeRunner.bat but i gave an error. I have attached a screenshot of error and the directory of classes.
Kindly help

[mubtada-a-naqvi]

It’s solved. JAVA_HOME variable path was not assigned.