Hello, why do you think this mirror failure may appear?
Thank you,
Juan.
Double face?
Hi, please do check if everything is set up correctly with your reflection/refraction overrides. Lastly, if it’s possible, please feel free to share the scene with us so that we can investigate the issue further. See: https://support.corona-renderer.com/hc/en-us/articles/4402983255313-How-to-report-issues-3ds-Max-