YADE throws NPE

ERROR [main] (SOSDExJSAdapterClass.java:91) - SOSDExJSAdapterClass ended with error: null 

2018-01-18 13:07:12.556+0100 [info]   (Task http/yade:90943) [stdout] java.lang.NullPointerException 

2018-01-18 13:07:12.556+0100 [info]   (Task http/yade:90943) [stdout] 	at com.sos.DataExchange.SOSDataExchangeEngine.execute(SOSDataExchangeEngine.java:394)

2018-01-18 13:07:12.572+0100 [info]   (Task http/yade:90943) [stdout] 	at sos.scheduler.job.SOSDExJSAdapterClass.doProcessing(SOSDExJSAdapterClass.java:154) 

2018-01-18 13:07:12.572+0100 [info]   (Task http/yade:90943) [stdout] 	at sos.scheduler.job.SOSDExJSAdapterClass.spooler_process(SOSDExJSAdapterClass.java:89)

2018-01-18 13:07:12.574+0100 [ERROR]  (Task http/yade:90943) COM-80020009  Ausnahmefehler aufgetreten. [step] [] [Z-JAVA-105  Java exception java.lang.NullPointerException, method=spooler_process()Z [], in Remote_module_instance_server::step], method=call

<?xml version="1.0" encoding="utf-8"?>
<Configurations>
  <Fragments>
    <ProtocolFragments>
      <HTTPFragment name="HTTPFragment:httpFragment">
        <URLConnection>
          <URL>http://x</URL>
        </URLConnection>
      </HTTPFragment>
    </ProtocolFragments>
  </Fragments>
  <Profiles>
    <Profile profile_id="test">
      <Operation>
        <Copy>
          <CopySource>
            <CopySourceFragmentRef>
              <HTTPFragmentRef ref="HTTPFragment:httpFragment" />
            </CopySourceFragmentRef>
            <SourceFileOptions>
              <Selection>
                <FileListSelection>
                  <FileList><![CDATA[c:/temp/1.txt]]></FileList>
                </FileListSelection>
              </Selection>
            </SourceFileOptions>
          </CopySource>
          <CopyTarget>
            <CopyTargetFragmentRef>
              <LocalTarget />
            </CopyTargetFragmentRef>
            <Directory><![CDATA[c:\temp\output]]></Directory>
          </CopyTarget>
        </Copy>
      </Operation>
      <Client>
        <ReceivingClient><![CDATA[BKB_T]]></ReceivingClient>
      </Client>
    </Profile>
  </Profiles>
</Configurations>