ORA-14060: data type or length of a table partitioning column may not be changed

ORA-14060: data type or length of a table partitioning column may not be changed

Cause: User issued ALTER TABLE statement attempting to modify data type and or or length of a column used to partition the table named in ALTER TABLE statement, which is illegal

Action: Avoid modifying data type and or or length of table partitioning column(s)