Yasca- not able to generate xml or json report

[ranjithmnair1976]

D:\software\yasca-tool\scovetta-yasca-ffd5e93>yasca --report,JSONFileReport d:\code

It is throwing error:

Fatal error: Uncaught exception 'Yasca\Core\IteratorException' with message 'Key not found in collection' in D:\software\yasca-tool\scovetta-yasca-ffd5e93\Yasca \Core\Iterators.php:164 Stack trace:

0 D:\software\yasca-tool\scovetta-yasca-ffd5e93\Yasca\Core\Operators.php(77): Y

asca\Core\Iterators::elementAt(Array, 0)

1 D:\software\yasca-tool\scovetta-yasca-ffd5e93\Yasca\Core\FunctionPipe.php(32)

: Yasca\Core\Operators::invokeArray(Array, Array)

2 D:\software\yasca-tool\scovetta-yasca-ffd5e93\Yasca\Reports\JsonFileReport.ph

p(27): Yasca\Core\FunctionPipe->pipe(Array, 0)

3 D:\software\yasca-tool\scovetta-yasca-ffd5e93\Yasca\Main.php(179): Yasca\Repo

rts\JsonFileReport->__construct(Array)

4 [internal function]: {closure}()

5 D:\software\yasca-tool\scovetta-yasca-ffd5e93\Yasca\Main.php(358): calluser

func(Object(Closure))

6 D:\software\yasca-tool\scovetta-yasca-ffd5e93\Yasca\Start.php(14): include('D

:\software\yas...')

7 {main}

thrown in D:\software\yasca-tool\scovetta-yasca-ffd5e93\Yasca\Core\Iterators.p hp on line 164

[Harshal1693]

I was able to generate xml report but was unsuccessful with json report. Use version (2.2) for the xml format.