In the folder window of the library tab I have two 2015 folders (I let LR automatically create folders by date when importing pictures). One of the 2015 folders is shown directly under Mac HD and the other is in the user/pictures/ folder. The problem is that I have only one 2015 folder (in user/pictures/ ) on my drive and all subfolders and pictures are in it. If I try to move one of the subfolder from one 2015 folder to the other, LR says that there is already a folder with this name. If I do synchronise on one of them, LR wants to import and delete thousands of pictures that are either missing or new, but this completely false...
Any clues on how to approach this?
Make sure the Folders panel is showing you the true hierarchy of the folders (by default it does not) by selecting a folder, right-click, "show parent". Repeat as needed.
Thanks for the answer! I think it shows that there is a problem since this is the message I got when tried it:
UNIQUE constraint failed: AgLibraryFolder.rootFolder, AgLibraryFolder.pathFromRoot
Statement: UPDATE AgLibraryFolder SET rootFolder = ? WHERE id_local = ?;