ORA-14265: data type or length of a table subpartitioning column may not be changed

ORA-14265: data type or length of a table subpartitioning 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 subpartition the table named in ALTER TABLE statement, which is illegal

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