RTC->CC sync blocked by error

I'm trying to set up the RTC -> CC (strictly going from RTC to Clearcase) sync, but this error is stopping me cold

javax.wvcm.WvcmException: Failure while trying to execute cleartool command:
 
cleartool ln -nc V:\DO_NOT_USE_a311955_wrg_13.03_rtc_sync/ws_ips\ips\ipsWebApp\resources\source\main\com@@\ V:/DO_NOT_USE_a311955_wrg_13.03_rtc_sync/ws_ips/ips/ipsWebApp/resources/source/com

cleartool: Error: Cannot link directory "V:\DO_NOT_USE_a311955_wrg_13.03_rtc_sync/ws_ips\ips\ipsWebApp\resources\source\main\com@@\".

current working directory: V:\DO_NOT_USE_a311955_wrg_13.03_rtc_sync
command result status: 1
command duration: 239 ms
process environment:

    at com.ibm.rational.wvcm.ct.CommandResult.assertSuccess(CommandResult.java:90)
    at com.ibm.rational.wvcm.ct.CommandProvider.execute(CommandProvider.java:215)
    at com.ibm.rational.wvcm.ct.CommandProvider.execute(CommandProvider.java:185)
    at com.ibm.rational.wvcm.ct.CCaseLib.link(CCaseLib.java:3126)
    at com.ibm.rational.wvcm.ct.CCaseLib.fixInvisibleElementPaths(CCaseLib.java:5110)
    at com.ibm.rational.wvcm.ct.CTControllableResource.doCreateVersionControlledResource(CTControllableResource.java:570)
    at com.ibm.rational.wvcm.ct.CTProvider.doCreateVersionControlledResource(CTProvider.java:1080)
    at com.ibm.rational.wvcm.ri.impl.WvcmServiceConverter.doCreateVersionControlledResource(WvcmServiceConverter.java:286)
    at com.ibm.rational.wvcm.ri.impl.ControllableResourceImpl.doCreateVersionControlledResource(ControllableResourceImpl.java:91)
    at com.ibm.rational.wvcm.interop.InteropStream.bindVersionHistory(InteropStream.java:1816)
    at com.ibm.rational.wvcm.interop.InteropStream.sendoverFolder(InteropStream.java:1570)
    at com.ibm.rational.wvcm.interop.InteropStream.sendoverFolder(InteropStream.java:1587)
    at com.ibm.rational.wvcm.interop.InteropStream.sendoverFolder(InteropStream.java:1587)
    at com.ibm.rational.wvcm.interop.InteropStream.sendoverFolder(InteropStream.java:1587)
    at com.ibm.rational.wvcm.interop.InteropStream.sendoverFolder(InteropStream.java:1587)
    at com.ibm.rational.wvcm.interop.InteropStream.sendoverFolders(InteropStream.java:1446)
    at com.ibm.rational.wvcm.interop.InteropStream.sendoverChanges(InteropStream.java:1391)
    at com.ibm.rational.wvcm.interop.InteropStream.sendoverTree(InteropStream.java:2630)
    at com.ibm.rational.wvcm.interop.InteropStream.createClone(InteropStream.java:3083)
    at com.ibm.rational.wvcm.interop.InteropStream.addCloneRoot(InteropStream.java:3399)
    at com.ibm.rational.wvcm.interop.InteropStream.tryAddCloneRoots(InteropStream.java:3525)
    at com.ibm.rational.wvcm.interop.InteropStream.addCloneRoots(InteropStream.java:3553)
    at com.ibm.rational.wvcm.interop.InteropStream.doOperation(InteropStream.java:4597)
    at com.ibm.team.connector.scm.operations.ConnectorOps.synchronizeStream(ConnectorOps.java:205)

As you can see, it's attempting to create hard links of directories, which is disallowed by Clearcase.

How do I get around this problem?

Thank you.

P.S.

Clearcase version:
ClearCase version 7.0.1 (Thu May 17 09:19:01 2007)
ClearCase version 7.0.1_iFix01 (Wed Sep 19 11:15:35 2007)
ClearCase version 7.0.1.1 (Wed Nov 28 17:43:24 2007)
ClearCase version 7.0.1.1_iFix01 (Tue Feb 12 10:48:57 2008)
ClearCase version 7.0.1.1_iFix02 (Wed May 14 23:53:33 2008)
ClearCase version 7.0.1.2 (Fri Jul 18 12:43:48 2008)
ClearCase version 7.0.1.3 (Wed Nov 19 12:29:56 EST 2008)
ClearCase version 7.0.1.4 (Mon Mar 02 14:30:47 EST 2009)
ClearCase version 7.0.1.5 (Wed May 13 08:00:52 EDT 2009) (7.0.1.05.00_2009B.D090512)
@(#) MVFS version 7.0.1.5 (Thu Feb 19 02:28:34 2009)
cleartool                         7.0.1.5 (Wed May 13 10:30:58 2009)
db_server                         7.0.1.5 (Sat Apr 25 03:43:40 2009)
VOB database schema version: 54

RTC is 3.0.1