Hi Phyllis,
The two axes on a bar chart are the Category axis and the Value axis. The category axis consists, generally, of a list of titles. Always text. For this reason, the Chart feature expects the Category axis data to be in a Header Column, usually Column A. (Header columns always default to text format, unless forced to something other than Automatic or Text.)
With your Category titles in Header Column A and your various parts of the value in columns B, C, etc., Select all the data columns and then Insert the Stacked Bar Chart. Your Categories should be properly displayed.
Jerry