materialized views issues

Hi all,

After the import i realised one of the objects did not create from 91 to 11g. In source there is 5 materialized views but in my new enviroment there is 4 materialized view. I tried to recreate the missing materialized view but i could not. Can anyone help me in this on how could i go about this

DROP PUBLIC SYNONYM MCCB_IA_CALCULATION_CURRENT;

CREATE PUBLIC SYNONYM MCCB_IA_CALCULATION_CURRENT FOR CCC.MCCB_IA_CALCULATION_CURRENT;

DROP MATERIALIZED VIEW CCC.MCCB_IA_CALCULATION_CURRENT;
CREATE MATERIALIZED VIEW CCC.MCCB_IA_CALCULATION_CURRENT
TABLESPACE REFERENCE_DATA
PCTUSED    0
PCTFREE    10
INITRANS   2
MAXTRANS   255