Why does my bar graph sometimes not show Axis values?

[fdarrigo]

Sometimes my bar chart will display a category label for each bar, othertimes it is blank.
Any idea why this happens?

[martin_mueller · Accepted solution]

A common reason is too many labels. For more precise guessing you should provide more info.

[fdarrigo]

I capped the number of results to 10 and it worked.
Thanks