VS 2012 SSIS包名称无效

Question

我正在构建一个SSIS包，我收到以下错误：

Error   1   Error saving LWP_INT_EPRISM_EMPLOYEE_COMPENSATION.dtsx: 
The file name is not valid. The file name is a device or contains invalid characters.
C:\Users\SiveB\Documents\Visual Studio 2012\Projects\LWP_INT_EPRISM-EMPLOYEE-COMPENSATION\LWP_INT_EPRISM-EMPLOYEE-COMPENSATION\LWP_INT_EPRISM_EMPLOYEE_COMPENSATION.dtsx

任何人都知道为什么？文件名仅为字母字符和下划线_。