WebGL error when toggling lights with freezed materials

[Evgeni_Popov]

Are you using 4.2 or 5.0?

See:

Babylon 4.2 enabling spotlight gives webgl uniform error

That will be hard to help on this one, as we don’t do fixes of older Babylon versions. Have you tried with 5.0? I know we fixed some “It is undefined behaviour to use a uniform buffer that is too small” warnings, but I don’t remember if it applies to spotlights or not… Note also that if you get this warning only a single time (or a small number of times - meaning, the number of logs in the console log does not rise infinitely - or at least does not reach 250, which is I think the limit after w…