For lack of a better suggestion, have you checked the directory with Disk Utility (Repair Disk) or a third party utility such as Disk Warrior or TechTool Pro?


Jon

macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365