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I want to start using intelijj, but I'm having a lot of difficulty debugging, and I haven't found the reason anywhere, I'm trying to debug a file with main, using f5, as in print:

enter image description here

Error: Could not find or load main class net.sf.l2j.loginserver.LoginServer Caused by: java.lang.ClassNotFoundException: net.sf.l2j.loginserver.LoginServer

I don't know why, could anyone help?

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  • Is the Java file located in a source folder? If so, can you show it?
    – dan1st
    Commented Jul 8 at 22:33
  • Try to specify the module where it now says "module not specified".
    – Nikos Paraskevopoulos
    Commented Jul 9 at 10:58
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