Putting too much faith in mp. Human review is the thing that really matters. Too many of some element Missing elements Empty elements Improper element values Warnings and upgrades 9. Making too many metadata records. People who try to document every GIS coverage or data table can wear themselves out.
Some aggregation is good for both the producer and the user.
Not making enough metadata records. Trying to cram all of the information about an entire research program into a single metadata record will drive you and your potential users crazy. Split when sources, processing, or spatial reference varies. Agonizing over the most difficult elements. The hardest part is how to describe attributes whose values are simply text describing something, or are names like place names.