API Reference > core-frontend > Rendering > RenderSystem > RenderSystem.Options > errorOnMissingUniform errorOnMissingUniform errorOnMissingUniform: undefined | boolean If true, will cause exception when a shader uniform is missing (usually optimized out), otherwise will only log these. Default value: false Defined in core/frontend/src/render/RenderSystem.ts Line 869 Last Updated: 20 June, 2023