Error on Online Interactive form:

hi,

i have encountered this error while trying out the Online Interactive form:

com.sap.tc.webdynpro.clientserver.adobe.pdfdocument.base.core.PDFDocumentRuntimeException: Severe : PDFDocument is NULL. Exception : Service call exception; nested exception is: java.net.UnknownHostException: pwdf3102. i do not know where is the root cause?