Data_writer0 ...failed!

I get this Error when i have universaLDataWriter whose next task is to call StoredProcedure using DBExecute… if the DBExecute is disable no errors…

DATA_WRITER0 …FAILED !
Reason: File url must contains port or dict protocol.
at org.jetel.graph.Phase.init(Phase.java:159)
at org.jetel.graph.runtime.WatchDog.executePhase(WatchDog.java:423)
at org.jetel.graph.runtime.WatchDog.call(WatchDog.java:177)
at org.jetel.graph.runtime.WatchDog.call(WatchDog.java:62)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
at java.util.concurrent.FutureTask.run(FutureTask.java:123)
at java.lang.Thread.run(Thread.java:595)
Caused by: File url must contains port or dict protocol.
at org.jetel.util.TargetFile.init(TargetFile.java:129)
at org.jetel.util.MultiFileWriter.prepareTargets(MultiFileWriter.java:187)
at org.jetel.util.MultiFileWriter.init(MultiFileWriter.java:143)
at org.jetel.component.DataWriter.init(DataWriter.java:210)
at org.jetel.graph.Phase.init(Phase.java:154)

Writers are designed as ending points of your transformation to write data to some target, as flat file or database, not to send it to further processing. If you want to connect output port to a Writer, special construction of fileURL attribute must be used (see fileURL). You should use one of Transformers or Joiners as a data source for DBExecute component.