当打开file\import data\.然后跳出import wizard-select import type窗口.在默认的情况下,我点击next,但是跳出对话框说;the sas/access interface to pc is not   installed.please install this module in order to import\export to these file types.请问这个问题怎么解决啊,而导入txt文件的时候就没关系.紧急期待中.