java.lang.Error

Unresolved compilation problems: String cannot be resolved to a type Double cannot be resolved to a type Double cannot be resolved System cannot be resolved JOptionPane cannot be resolved System cannot be resolved Properties cannot be resolved to a type Properties cannot be resolved to a type FastLookAndFeel cannot be resolved UIManager cannot be resolved Exception cannot be resolved to a type String cannot be resolved to a type String cannot be resolved to a type

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  • Stack trace

    • java.lang.Error: Unresolved compilation problems: String cannot be resolved to a type Double cannot be resolved to a type Double cannot be resolved System cannot be resolved JOptionPane cannot be resolved System cannot be resolved Properties cannot be resolved to a type Properties cannot be resolved to a type FastLookAndFeel cannot be resolved UIManager cannot be resolved Exception cannot be resolved to a type String cannot be resolved to a type String cannot be resolved to a type at src.com.mrcrayfish.modelcreator.Start.main(Start.java:12)

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