On 22 Jun '08, at 4:08 PM, Clayton Leitch wrote:

#0  0x96cd5564 in NSDecimalCopy ()
#1  0x96d854f9 in NSDecimalSubtract ()
#2 0x96dadad8 in -[NSDecimalNumber decimalNumberBySubtracting:withBehavior:] ()
#3  0x96dada47 in -[NSDecimalNumber decimalNumberBySubtracting:] ()
#4 0x00001b67 in -[MonthlyReport reportCurrentDifference] (self=0x261bb30, _cmd=0x1fe6) at /Users/leitchc/Documents/Coding Efforts/SoftCopyContract 2.0/MonthlyReport.m:30

Xcode has a debugger. Run the program with the debugger enabled, and you'll drop into it when it crashes. Look at the topmost stack frame that belongs to your app, see what statement it was in, and the values of variables. In particular, what is the parameter being passed to decimalNumberBySubtracting:? Use the "po" command on it to have gdb print its description.

This isn't rocket science. This is how you debug an application...

—Jens_______________________________________________

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