Oracle Solution for Error ora-14285

Solution for Oracle Error ORA-14285

ORA-14285: cannot COALESCE the only partition of this hash partitioned table or index

What triggered the Error:

A COALESCE PARTITION command was issued when there is only one partition in the table or index, which is illegal

What should we do to fix it:

Ensure that there is at least one partition. Drop the table or index to remove all partitions.