TMS320F28335: 导入工程出错

Part Number: TMS320F28335

我用CCS7导入工程,提示出错,

See details below. 
  Error: Import failed for project 'Example_2833xGpioToggle' because its compiler definition is not available. Please install the C2000v22.6 compiler before importing this project - click 'View > CCS App Center' to check if compiler updates are available, or install the compiler manually and register it with CCS through 'Preferences > CCS > Build > Compilers'.

可是我已装了C2000V22.6 compiler,还是出错,却是为何?谢谢