Oracle Message ORA-12060 - shape of prebuilt table does not match definition query

ERRORshape of prebuilt table does not match definition query
CAUSEThe number of columns or the type or the length semantics of a column in the prebuilt table did not match the materialized view definition query.
ACTIONReissue the SQL command using BUILD IMMEDIATE, BUILD DEFERRED, or ensure that the prebuilt table matches the materialized view definition query.