Graph aborted on ext sort component

Hello,

I try to use the ext short component but I have an error "java.lang.RuntimeException : IOException".

My graph
<?xml version="1.0" encoding="UTF-8"?>
<Graph description="Trie et dédoublenage du fichier" name="acdaMarquages01">
<Global>
<Metadata fileURL="D:/workSpace/MaquetteMarquages/Metadata/MarquagesPlateforme.fmt" id="Metadata0"/>
<Property fileURL="D:/workSpace/MaquetteMarquages/Parameters/parameters.cfg" id="GraphParameter0"/>
</Global>
<Phase number="0">
<Node dedupKey="FTFRA_COTM_SLED_REF_1;FTFRA_COTM_SLED_REF_1_SEQ;FTFRA_COTM_SLED_RECORD_TYPE;FTFRA_COTM_RECORD_TYPE_SEQ;FTFRA_COTM_CUST_NUMBER;FTFRA_COTM_SLED_TRANS_DATE;FTFRA_COTM_SLED_TRANS_TYPE" enabled="enabled" guiHeight="0" guiName="Dedup" guiWidth="0" guiX="372" guiY="82" id="DEDUP0" keep="first" type="DEDUP"/>
<Node enabled="enabled" fileURL="${DataOut}\data.dat" guiHeight="0" guiName="Delimited Data Reader (New I/O)" guiWidth="0" guiX="77" guiY="82" id="DELIMITED_DATA_READER_NIO7" type="DELIMITED_DATA_READER_NIO"/>
<Node append="false" enabled="enabled" fileURL="${DataOut}\CO_MARQUAGES_TRIE_${DATRAIT}.dat" guiHeight="0" guiName="Delimited Data Writer (New I/O)" guiWidth="0" guiX="527" guiY="82" id="DELIMITED_DATA_WRITER_NIO0" type="DELIMITED_DATA_WRITER_NIO"/>
<Node enabled="enabled" guiHeight="0" guiName="Ext Sort" guiWidth="0" guiX="222" guiY="83" id="EXT_SORT0" sortKey="FTFRA_COTM_SLED_REF_1;FTFRA_COTM_SLED_REF_1_SEQ;FTFRA_COTM_SLED_RECORD_TYPE;FTFRA_COTM_RECORD_TYPE_SEQ;FTFRA_COTM_CUST_NUMBER;FTFRA_COTM_SLED_TRANS_DATE;FTFRA_COTM_SLED_TRANS_TYPE" sortOrder="Ascending" sorterInitialCapacity="7000" type="EXT_SORT"/>
<Edge fromNode="DEDUP0:0" guiBendpoints="" id="Edge2" inPort="0 (Delimited Data Writer (New I/O))" metadata="Metadata0" outPort="0 (Dedup)" toNode="DELIMITED_DATA_WRITER_NIO0:0"/>
<Edge fromNode="DELIMITED_DATA_READER_NIO7:0" guiBendpoints="" id="Edge3" inPort="0 (Ext Sort)" metadata="Metadata0" outPort="0 (Delimited Data Reader (New I/O))" toNode="EXT_SORT0:0"/>
<Edge fromNode="EXT_SORT0:0" guiBendpoints="" id="Edge4" inPort="0 (Dedup)" metadata="Metadata0" outPort="0 (Ext Sort)" toNode="DEDUP0:0"/>
</Phase>
</Graph>

Log:
GRAVE: !!! Fatal Error !!! - graph execution is aborting
3 août 2006 13:51:48 org.jetel.graph.WatchDog watch
GRAVE: Node EXT_SORT0 finished with fatal error: java.lang.RuntimeException : IOException when closing tape in carousel: java.io.IOException: Can't delete TMP file: C:\DOCUME~1\APO\LOCALS~1\Temp\.fbufclv29264.tmp
3 août 2006 13:51:48 org.jetel.graph.WatchDog abort