When you try to perform an action in Adobe Photoshop, you sometimes get the error message "Your request could not be completed because the scratch disk is full."
How to Fix Scratch Disk Error in Photoshop – Complete Guide
To prevent the "Photoshop scratch disk is full" error from appearing, you need to change the way Photoshop uses your computer's memory.
To resolve the "Scratch disk is full" error in Photoshop, follow these steps in the order given:
Free up disk space. Free up some space on the Mac or Windows drive that is defined as the scratch disk in Photoshop preferences. For best results, use a free disk space analyzer such as Disk Cleanup.