Using FTP-Receive in a job_chain with parameters at the node, the job fails

2010-04-26 09:43:33.046 [WARN] (Task Datensicherung/ftpReceive:193671) ftp processing failed: java.lang.Exception: could not process file transfer: java.lang.Exception: error in sos.configuration.SOSConfiguration.checkConfigurationItems(476): cause: java.lang.Exception: error in sos.configuration.SOSConfigurationRequiredItem.check(147): cause: java.lang.Exception: invalid parameter name: configuration_file.