error at the time of customer aging report run

respected all,

when i am running the report following error through. anybody have solution please let me know.

Error:

Error executing code: Array index 8 is out of bounds.

Stack trace

(S)\Classes\CustVendBalanceList\insertAgingBucket - line 34

(S)\Classes\CustVendBalanceList\new - line 28

(S)\Classes\CustVendBalanceList\construct - line 29

(S)\Reports\CustAgingReport\Methods\fetch

(S)\Classes\ReportRun\run

(S)\Classes\SysReportRun\run - line 26

(S)\Classes\RunBaseReport\run - line 34

(S)\Classes\SysReportRun\run - line 15

(S)\Classes\MenuFunction\runServer