Failed to find a place for the imported file

• Suddenly unable to import DNG files edited in Topaz, where this was previously successful
• Reinstalling topaz does not fix
• Importing DNGs without Topaz editing works fine
• Import adds images, rather than move or copy (see screenshot for settings)
• Import utility fails to generate a preview for the Topaz edited file
• Same import error occurs if using Topaz from within lightroomCC (File > plugins > topaz) for previously imported DNGs

Would be super grateful for help!