我正在尝试编译一个GWT项目，但我收到以下错误：任何人都可以解释我是否遗漏了什么？我已经下载了日食的GWT插件。
Compiling module com.nolij.nolijweb.ui.entrypoint.user.UserInterface Validating units:
Ignored 28 units with compilation errors in first pass. Compile with -strict or with -logLevel set to TRACE or DEBUG to see all errors. Finding entry point classes
[ERROR] Errors in 'com/google/gwt/core/client/GWTBridge.java'
[ERROR] Line 25: No source code is available for type com.google.gwt.core.shared.GWTBridge; did you forget to inherit a required module?
[ERROR] Unable to find type 'com.nolij.nolijweb.ui.entrypoint.user.client.UserInterface'
[ERROR] Hint: Previous compiler errors may have made this type unavailable
[ERROR] Hint: Check the inheritance chain from your module; it may not be inheriting a required module or a module may not be adding its source path entries properly