Invalid value used as weak map key in postprocessing

[KrzysztofSieczkiewicz]

When changing DepthOfField focal length or focus distance using slider
I'm getting browser blackout and shortly after error message:
Invalid value used as weak map key TypeError: Invalid value used as weak map key at WeakMap.set (<anonymous>) at Object.drawBuffers (http://localhost:3000/static/js/bundle.js:113367:28) at WebGLRenderer.setRenderTarget (http://localhost:3000/static/js/bundle.js:117814:15) at ShaderPass.render (http://localhost:3000/static/js/bundle.js:26281:14) at DepthOfFieldEffect.update (http://localhost:3000/static/js/bundle.js:28496:18) at EffectPass.render (http://localhost:3000/static/js/bundle.js:25266:14) at EffectComposer.render (http://localhost:3000/static/js/bundle.js:26746:14) at Object.current (http://localhost:3000/static/js/bundle.js:89791:16) at render$1 (http://localhost:3000/static/js/bundle.js:8530:22) at loop (http://localhost:3000/static/js/bundle.js:8557:19)