IOException occur while browsing source file to Import

Previously I have no problem using source file to process Import action but recently the following error occurs when trying to browse source file to import in Agile 9301:
10/03/03 19:33:31 java.io.IOException: No such file or directory
10/03/03 19:33:31       at java.io.UnixFileSystem.createFileExclusively(Native Method)
10/03/03 19:33:31       at java.io.File.checkAndCreate(File.java:1345)
10/03/03 19:33:31       at java.io.File.createTempFile(File.java:1434)
10/03/03 19:33:31       at com.agile.imp.xpediagui.util.ImportUtil.createDiskFile(ImportUtil.java:115)
10/03/03 19:33:31       at com.agile.imp.xpediagui.modules.ImportModuleHandler.showConfigureFileType(ImportModuleHandler.java:156)
10/03/03 19:33:31       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
10/03/03 19:33:31       at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
10/03/03 19:33:31       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
10/03/03 19:33:31       at java.lang.reflect.Method.invoke(Method.java:585)