Corona sun light problem

[kreaart]

Hi I have a problem with corona sun light. I rendering movie in corona with PNG images sequence. But sun light is blinking on objects. Can somebody help me? What is a problem? It is not very visible on pictures, but when the sequence  started like movie, the blinking is obvious

[maru]

Hi, are you using "animation flicker free" preset of the UHD Cache?
More info: https://coronarenderer.freshdesk.com/support/solutions/articles/5000515648