GL ERROR :GL_INVALID_OPERATION : glDrawArrays: GL_BLEND with floating-point color attachments requir

CesiumJS
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1. A concise explanation of the problem you’re experiencing.

Just recently discovered this error. I m trying to plot 3D scatter plot and surface plot. The same code worked successfully previously.

4. The Cesium version you’re using, your operating system and browser.

**Chrome: 75.0.3770.100 **

WIN 10 PRO

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What version of CesiumJS are you using? Did you recently update? Was it working before in the same version of Chrome? Can you share a code example in Sandcastle (https://cesiumjs.org/Cesium/Apps/Sandcastle/index.html) that reproduces the issue?