Node is not writable?

[JinLn]

我在测试你的程序的时候显示节点不可写？这是什么问题吗？我也需要用硬件触发basler相机，想咨询你一下
When I test your program, show that the node is not writable? What's the problem? I also need to use hardware trigger Basler camera, I want to consult you

[SpareSimian]

I'm no longer working with that project but you might look at this solution on another project:

https://answers.ros.org/question/237591/startgrabbing-node-is-not-writable-in-pylon_camera-package/