在导出内容根时选择导出层次结构，报以下错误：
com.ibm.wps.command.xml.XmlCommandException: EJPXA0033E: An error occurred while retrieving the configuration of the resource. [content-node 6_000000000000000000000000A0 uniquename=wps.content.root]
com.ibm.wps.util.DataBackendException: EJPDB0001E: Error occurred during database access. Last SQL statement is [SELECT OID, CREATED, MODIFIED, IS_ACTIVE, IS_SYSTEM, IS_SHARED, IS_PROVIDED, ALL_PORT_ALLOWED, ORDINAL, PARENT_OID, PARENT_SL, CONT_PARENT_OID, CONT_PARENT_SL, SKIN_DESC_OID, SKIN_DESC_SL, THEME_DESC_OID, THEME_DESC_SL, CREATE_TYPE, TYPE, TF_INST_OID, SERVER_INFO_OID, SERVER_INFO_SL FROM customization.PAGE_INST START WITH CONT_PARENT_SL IN (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?) CONNECT BY (PRIOR OID = CONT_PARENT_OID)].
java.sql.SQLException: ORA-00600: internal error code, arguments: [qkacon:FJswrwo], [10], [], [], [], [], [], []
请各位大神帮忙解决，谢谢