Warning message while create DB on 11G ??

we have ORACLE 11.1.0.7 (X86_64) on Redhat LInux server. While I create DB use my own scripts and I got following warning messages:

Warning: chk_tab_prop - table doesn't exist :SYS.KUPC$DATAPUMP_QUETAB
Warning: chk_tab_prop - table doesn't exist :SYS.AQ$_KUPC$DATAPUMP_QUETAB_S
Warning: chk_tab_prop - table doesn't exist :SYS.AQ$_KUPC$DATAPUMP_QUETAB_I
Warning: chk_tab_prop - table doesn't exist :SYS.AQ$_KUPC$DATAPUMP_QUETAB_H
Warning: chk_tab_prop - table doesn't exist :SYS.AQ$_KUPC$DATAPUMP_QUETAB_T
Warning: chk_tab_prop - table doesn't exist :SYS.AQ$_KUPC$DATAPUMP_QUETAB_G
Warning: chk_tab_prop - table doesn't exist :SYS.AQ$_KUPC$DATAPUMP_QUETAB_P
Warning: chk_tab_prop - table doesn't exist :SYS.AQ$_KUPC$DATAPUMP_QUETAB_D

Anyone know why?

Thanks.       

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