Migrating over to Mavericks mac mini. Reports are not working any longer. Am I left in the lurch with this version?

8/20/14 1:54:56.745 PM Simon[45807]: -[__NSCFString appendString:]: nil argument
8/20/14 1:54:56.746 PM Simon[45807]: (
0 CoreFoundation 0x97e30471 __raiseError + 193
1 libobjc.A.dylib 0x94c32091 objc_exception_throw + 162
2 CoreFoundation 0x97e30061 -[NSException raise] + 17
3 ExceptionHandling 0x90a20164 -[NSExceptionHandler _handleException:mask:] + 1558
4 ExceptionHandling 0x90a1f6f0 NSExceptionHandlerExceptionRaiser + 240
5 libobjc.A.dylib 0x94c32091 objc_exception_throw + 162
6 CoreFoundation 0x97e3038b +[NSException raise:format:] + 139
7 CoreFoundation 0x97dfa875 mutateError + 181
8 CoreFoundation 0x97d3c0fe -[__NSCFString appendString:] + 62
9 Simon 0x00066edf -[ReportGeneratorBlock processVariablesWithTemplate:lineNumber:datum:] + 545
10 Simon 0x00066c63 -[ReportGeneratorBlock processVariablesForDataWithTemplate:] + 194
11 Simon 0x0006618c -[ReportGeneratorData processForSites:isDetail:withParameters:] + 528
12 Simon 0x0006622a -[ReportGeneratorData processForSite:withParameters:] + 74
13 Simon 0x00065565 -[ReportData(Private) writeDetailPageForSite:withTemplatePath:toCachePath:withParameters:] + 111
14 Simon 0x00065411 -[ReportData(Private) writeReport] + 1213
15 Simon 0x00062473 -[ReportsController performNow:] + 105
16 libobjc.A.dylib 0x94c3e2af -[NSObject performSelector:withObject:] + 70
17 AppKit 0x9908f2db -[NSToolbarButton sendAction:to:] + 94
18 AppKit 0x9908f33a -[NSToolbarButton sendAction] + 82
19 AppKit 0x98bbac70 -[NSToolbarItemViewer mouseDown:] + 5207
20 AppKit 0x98acba9d -[NSWindow sendEvent:] + 11953
21 AppKit 0x98a6791d -[NSApplication sendEvent:] + 4034
22 AppKit 0x988ac1bc -[NSApplication run] + 823
23 AppKit 0x98894ff8 NSApplicationMain + 1165
24 Simon 0x0000282e _start + 216
25 Simon 0x00002755 start + 41
)