I read about the validation_curve and how interpret it to know if there are over-fitting or underfitting, but how can interpret the plot when the data is the error like this:

[![enter image description here][1]][1]

The X-axis is "Nº of examples of training"
Redline is train error
Green line is validation error

Thanks

  [1]: https://i.sstatic.net/Ha4TI.png