Oracle Solution for Error ora-34021

ORA-34021: (MSCGADD04) You must specify a partition when maintaining PARTITION TEMPLATE workspace object

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What triggered the Error:

User attempted to MAINTAINT ADD or DELETE a list value from a LIST partition template, but didn't specify which partition to add to or delete from.

What should we do to fix it:

Specify the partition: maintain (template) add to partition (partitionname) (values) or maintain (template) delete from partition (partitionname) (values)