A method, system and computer product for use in error handling comprising receiving, from a requester, a data storage configuration request comprising sub-tasks, determining, from a plurality of user levels, a first user level at which said data storage configuration request is made, each user level of said plurality of user levels being associated with a respective different level of abstraction with respect to processing performed in the data storage system for servicing the data storage configuration request, servicing said data storage configuration request, storing, in an error structure, the success of each sub-task of the data storage configuration request, based on the storing, recording in an error tree whether each sub-task of the data storage configuration request executed successfully, and based on the first user level, displaying a report of the status of the data storage configuration request as recorded in the error tree.