Newbie Help, Error Compile


I have tried some projects, but i have the same error while compiling the app. I dont know why the reason.
Then i tried to create most simpliest project just for test.
1 Screen with 1 Exit button
then i still faced this error compile process.
Please help me whats wrong with my morning coffee…

FYI this is my SS

PC Specs :


What is your java version?



  1. are you running offline version?
  2. You had tagged this thread as tutorial. I removed the tag. Use that tag if you are providing a tutorial


I am using Java 8.0.161

  1. Yes, i am using offline version
  2. I am sorry, i was not sure what kind of topic is this. Very thank you for attention.