用ccs下载时总出现这个 请问是什么原因

Error initializing emulator: (Error -2083 @ 0x0) Unable to communicate with the debug probe. Confirm debug probe configuration and connections, reset the debug probe, and retry the operation. (Emulation package 6.0.222.0)

noaming：

下载前，先再target configuration中的TEST按钮，测试一下仿真器驱动