IntelliJ理念: scala插件

Question

我正在学习scala编程。我还安装了intelliJ IDEA和scala插件。我收到以下错误：

com.intellij.diagnostic.PluginException: Bad type on operand stack
Exception Details:
  Location:
    com/googlecode/sca4idea/SCAProjectComponent.<init>(Lcom/intellij/openapi/project/Project;)V @18: invokespecial
  Reason:
    Type 'com/intellij/psi/impl/source/resolve/reference/ReferenceProvidersRegistry' (current frame, stack[3]) is not assignable to 'com/intellij/psi/PsiReferenceRegistrar'
  Current Frame:
    bci: @18
    flags: { }
    locals: { 'com/googlecode/sca4idea/SCAProjectComponent', 'com/intellij/openapi/project/Project' }
    stack: { 'com/googlecode/sca4idea/SCAProjectComponent', uninitialized 10, uninitialized 10, 'com/intellij/psi/impl/source/resolve/reference/ReferenceProvidersRegistry' }
  Bytecode:
    0x0000000: 2ab7 0010 2a2b b500 122a bb00 1459 2bb8
    0x0000010: 001a b700 1db5 001f b1                 
 [Plugin: SCA Support] 

我不明白这是什么。

您的帮助我们将不胜感激。

谢谢，Praveen Mourya