You still need to attach the logs.
Here i am sending the screen shot of the log file attached.
[Fatal Error] -1: Premature end of file.2010-04-28 18:03:24,187 [http-8080-Processor24] ERROR com.interwoven.ui.formspub.DoPreviewCommand (INFOSTEPINC\Sandeep commandID iw.formspub.do_preview) - error to remove manifestcom.interwoven.cssdk.common.CSException: (Premature end of file.)