后处理开关操作多次报错

[FEJackFly]

maptalks's version and what browser you use?

设备：macbookpro 16 系统：macos 12.4 硬件：i7 16 + 512 AMD5300m 4g 浏览器：chrome 102.0.5005.115 显示器：4k

Issue description

 const sceneConfig = groupGLLayer.getSceneConfig();

 sceneConfig.postProcess.enable = true;

多次操作报错

Please provide a reproduction URL (on any jsfiddle like site)