Dragging a folder and then letting it go (without a valid drop target) attempted to move the folder into itself, causing an infinite loop and removing the folder and its contents from the SS file database. Checking if the source and destination are the same solves the problem.
Dragging a folder and then letting it go (without a valid drop target) attempted to move the folder into itself, causing an infinite loop and removing the folder and its contents from the SS file database. Checking if the source and destination are the same solves the problem.