Muiti-input one-output neural network. Error: Invalid input layers. Network must have at most one sequence input layer.

Error: Invalid input layers. Network must have at most one sequence input layer. I do as the following example. I do not know why. Hope someone could help me.

https://ww2.mathworks.cn/help/deeplearning/ug/train-network-on-image-and-feature-data.html

Answer 1

[san su]

I change the inputs from 2 to 6 (sequences), the network will not work.