In this post, you’ll learn more about the Oracle ErrorORA-14406: updated partition key is beyond highest legal partition key with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-14406: updated partition key is beyond highest legal partition key
Reason for the Error ORA-14406: updated partition key is beyond highest legal partition key
At attempt was made to update a record with a concatenated partition key that is beyond the concatenated partition bound list of the last partition.
How to fix the Error ORA-14406: updated partition key is beyond highest legal partition key ?
You can fix this error in Oracle by following the below steps
Do not update the key. Or, add a partition capable of accepting the key.