!csCollectionContentAlreadyExists

Hi, I´m migrating content and get the error:
!csImportErrorForArchiveInCollection,XXXX-07112013,ECMHOST116200!csCollectionInvalidMeta,XXXXX!csCollectionContentAlreadyExists,
XXXX.hcsp,/Contribution Folders/XXXXXXX/Paginas/Regulation/Glossary/
intradoc.common.ServiceException: !csCollectionInvalidMeta,XXXXX!csCollectionContentAlreadyExists,XXXXX.hcsp,
/Contribution Folders/XXXXX/Paginas/Regulation/Glossary/
        at intradoc.server.ServiceRequestImplementor.buildServiceException(ServiceRequestImplementor.java:2115)
        at intradoc.server.Service.buildServiceException(Service.java:2337)
        at intradoc.server.Service.createServiceExceptionEx(Service.java:2331)
        at collections.CollectionUserHandler.canPlaceInCollection(CollectionUserHandler.java:3233)
        at collections.CollectionUserHandler.canPlaceInCollection(CollectionUserHandler.java:3303)
        at sun.reflect.GeneratedMethodAccessor182.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at intradoc.common.IdcMethodHolder.invokeMethod(IdcMethodHolder.java:86)
        at intradoc.common.ClassHelperUtils.executeMethodReportStatus(ClassHelperUtils.java:324)