Unexpected non-MediaWiki exception encountered, of type "com_exception"
exception 'com_exception' with message '<b>Source:</b> WshShell.Exec<br/><b>Description:</b> The system cannot find the file specified.
' in C:\wamp_kihivas\www\_webfejlesztes\wiki\extensions\GraphViz\GraphViz.php:378
Stack trace:
#0 C:\wamp_kihivas\www\_webfejlesztes\wiki\extensions\GraphViz\GraphViz.php(378): com->Exec('"c:/wamp_kihiva...')
#1 C:\wamp_kihivas\www\_webfejlesztes\wiki\extensions\GraphViz\GraphViz.php(187): renderEngine('?digraph W {? ...', Array, Object(Parser))
#2 [internal function]: renderGraphviz('?digraph W {? ...', Array, Object(Parser), Object(PPFrame_DOM))
#3 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(3736): call_user_func_array('renderGraphviz', Array)
#4 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Preprocessor_DOM.php(1110): Parser->extensionSubstitution(Array, Object(PPFrame_DOM))
#5 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(1091): PPFrame_DOM->expand(Object(PPNode_DOM))
#6 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(492): Parser->internalParse('<graphviz>?digr...', false, Object(PPFrame_DOM))
#7 C:\wamp_kihivas\www\_webfejlesztes\wiki\extensions\CollaborationDiagram\CollaborationDiagram.php(426): Parser->recursiveTagParse('<graphviz>?digr...', Object(PPFrame_DOM))
#8 C:\wamp_kihivas\www\_webfejlesztes\wiki\extensions\CollaborationDiagram\CollaborationDiagram.php(433): drawDiagram(Object(Parser), Object(PPFrame_DOM))
#9 [internal function]: efRenderCollaborationDiagram('', Array, Object(Parser), Object(PPFrame_DOM))
#10 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(3736): call_user_func_array('efRenderCollabo...', Array)
#11 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Preprocessor_DOM.php(1110): Parser->extensionSubstitution(Array, Object(PPFrame_DOM))
#12 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(2978): PPFrame_DOM->expand(Object(PPNode_DOM), 0)
#13 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(1094): Parser->replaceVariables('<collaborationd...')
#14 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(345): Parser->internalParse('<collaborationd...')
#15 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\OutputPage.php(1477): Parser->parse('<collaborationd...', Object(Title), Object(ParserOptions), true, true, NULL)
#16 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\OutputPage.php(1419): OutputPage->addWikiTextTitle('<collaborationd...', Object(Title), true, false, true)
#17 C:\wamp_kihivas\www\_webfejlesztes\wiki\extensions\CollaborationDiagram\CollaborationDiagram_body.php(31): OutputPage->addWikiText('<collaborationd...')
#18 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\SpecialPageFactory.php(476): CollaborationDiagram->execute(NULL)
#19 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\Wiki.php(263): SpecialPageFactory::executePath(Object(Title), Object(RequestContext))
#20 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\Wiki.php(593): MediaWiki->performRequest()
#21 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\Wiki.php(503): MediaWiki->main()
#22 C:\wamp_kihivas\www\_webfejlesztes\wiki\index.php(58): MediaWiki->run()
#23 {main}

#0 C:\wamp_kihivas\www\_webfejlesztes\wiki\extensions\GraphViz\GraphViz.php(378): com->Exec('"c:/wamp_kihiva...')
#1 C:\wamp_kihivas\www\_webfejlesztes\wiki\extensions\GraphViz\GraphViz.php(187): renderEngine('?digraph W {? ...', Array, Object(Parser))
#2 [internal function]: renderGraphviz('?digraph W {? ...', Array, Object(Parser), Object(PPFrame_DOM))
#3 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(3736): call_user_func_array('renderGraphviz', Array)
#4 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Preprocessor_DOM.php(1110): Parser->extensionSubstitution(Array, Object(PPFrame_DOM))
#5 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(1091): PPFrame_DOM->expand(Object(PPNode_DOM))
#6 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(492): Parser->internalParse('<graphviz>?digr...', false, Object(PPFrame_DOM))
#7 C:\wamp_kihivas\www\_webfejlesztes\wiki\extensions\CollaborationDiagram\CollaborationDiagram.php(426): Parser->recursiveTagParse('<graphviz>?digr...', Object(PPFrame_DOM))
#8 C:\wamp_kihivas\www\_webfejlesztes\wiki\extensions\CollaborationDiagram\CollaborationDiagram.php(433): drawDiagram(Object(Parser), Object(PPFrame_DOM))
#9 [internal function]: efRenderCollaborationDiagram('', Array, Object(Parser), Object(PPFrame_DOM))
#10 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(3736): call_user_func_array('efRenderCollabo...', Array)
#11 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Preprocessor_DOM.php(1110): Parser->extensionSubstitution(Array, Object(PPFrame_DOM))
#12 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(2978): PPFrame_DOM->expand(Object(PPNode_DOM), 0)
#13 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(1094): Parser->replaceVariables('<collaborationd...')
#14 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\parser\Parser.php(345): Parser->internalParse('<collaborationd...')
#15 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\OutputPage.php(1477): Parser->parse('<collaborationd...', Object(Title), Object(ParserOptions), true, true, NULL)
#16 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\OutputPage.php(1419): OutputPage->addWikiTextTitle('<collaborationd...', Object(Title), true, false, true)
#17 C:\wamp_kihivas\www\_webfejlesztes\wiki\extensions\CollaborationDiagram\CollaborationDiagram_body.php(31): OutputPage->addWikiText('<collaborationd...')
#18 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\SpecialPageFactory.php(476): CollaborationDiagram->execute(NULL)
#19 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\Wiki.php(263): SpecialPageFactory::executePath(Object(Title), Object(RequestContext))
#20 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\Wiki.php(593): MediaWiki->performRequest()
#21 C:\wamp_kihivas\www\_webfejlesztes\wiki\includes\Wiki.php(503): MediaWiki->main()
#22 C:\wamp_kihivas\www\_webfejlesztes\wiki\index.php(58): MediaWiki->run()
#23 {main}