Video prompt: A serene coastal walk at low tide, revealing a fascinating array of tide pools teeming with sea life, starfish clinging to rocks, and crabs scuttling for cover.
Defect: Deformation (when Object is involved in an act,  anything in this process that's weird. e.g. people walk into a wall. "Walk" is an act)
Explanation:  The rocks and aquatic plants in the water undergo unusual shape changes, creating an unrealistic effect, as they should remain stable and consistent in form.