ccs版本变化DSP28335出现以下问题谁碰到啊？

Description Resource Path  Location Type

[E1500] file access error:  failedto open "R:/work/ capstudy /Debug/DSP2833x_ADC_cal.obj" for writing DSP2833x_ADC_cal.asm  /capstudy    C/C++ Problem

[E1500] file access error:  failedto open "R:/work/ capstudy /Debug/DSP2833x_usDelay.obj" for writing DSP2833x_usDelay.asm  / capstudy     C/C++ Problem

[E1500] file access error:  failedto open "R:/work/ capstudy /Debug/DSP2833x_CodeStartBranch.obj" forwriting  DSP2833x_CodeStartBranch.asm   / capstudy line5813320 C/C++ Problem