Ok, it’s still not working correctly. However, you can see here on the explorer that the reward recipient is set correctly. One step down!
Next issue is that error that is coming up. If it is working correctly, you should be getting confirmation from the pool in the form of a line of bright green text informing you of the confirmation.
Can you please give me the filename of the plot file in your D:\burst directory? It should begin with the numeric form of your Burst address which is 1415138837218535652
I ask this because if you created the plot with the wrong numeric ID, then it will not mine correctly.