Oracle Sql developer Ora-24816

os : windowns vista
soft : oracle sql developer version 1.5.4
database source : sql server 2005
database destination : oracle 10g R2
ive created the repository mwrep
and all connection needed to migration from sqlserver to oracle
when i lunch the capture of an sqlserver, i have the error ora-24816
The message :
Une erreur s'est produite lors de la capture : ORA-24816: Données bind non LONG développées fournies après colonne LONG ou LOB


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