Failed to create internal chart error in a piechart

[#1]

Hi,

I am using Pie chart.I got an error 'failed to create internal chart' when it drills down to the next level via some silces in it...i dont know the cause of occurance.. pls help me out what may be the reasons

Is it possible to replace the failed to create internal chart with some user defined words,,for example: No Data

[#2]

You can use Custom Error messages in the Object properties...

[#3]

Pls,,explain in detail..possible ways to hide the "Internal chart creation failed"