Gurus's What is this scratch disk full error in photoshop & How to fix it ?

[balavalli]

Gurus, What is this scratch disk full error in photoshop & How to fix it ? Kindly help me fix this issue please . Am using photoshop 2015.5.0 release.

 

[hawkeye]

http://www.addictivetips.com/windows-tips/how-to-fix-the-scratch-disk-is-full-error-in-photoshop/