Data inputs must match the axis configuration. A numeric axis must have numeric data inputs or data inputs which can be

[matlab1]

Data inputs must match the axis configuration. A numeric axis must have numeric data inputs or data inputs which can be converted to double

[matlab1]

This error can happen in plotting an array.

You can have an array for the vertical axis and a string for the horizontal axis.

So, An array which contains number can be used for plotting.