When bulk moving issues to a sprint via the Bulk Move mechanism, the Sprint field requires a sprint ID (integer) rather than a sprint Name (string).

The field should allow for a dynamic dropdown that shows suggestions as you type to allow the user to Bulk Move issues into a sprint via the Sprint Name instead of requiring them to know the Sprint ID (which is hard to find, typically only exposed via the URL scheme), such as when you are editing the Sprint field via the issue Edit mode.