Oracle Error Codes

feature not currently available for index-organized tables

An attempt was made to use one or more of the following feature(s) not currently supported for index-organized tables: CREATE TABLE with LOB/BFILE/VARRAY columns, partitioning/PARALLEL/CREATE TABLE AS SELECT options, ALTER TABLE with ADD/MODIFY column options, CREATE INDEX

How to Solve :

Do not use the disallowed feature(s) in this release.