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We have seen emerging confusion with users when a document supports instancing, that if they don't enter an instance name (currently allowed) they add multiple documents thinking they're adding new instances, but it's overwriting the last one (ie. with no name). As of Sprint 127 this setting is now being enforced.
Adding a document
The add document process, in all areas, has been updated so that where the document type supports instancing, an instance name must be supplied. ie. it is no longer optional and cannot be empty.
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