Error while exporting CSV(Excel) file from Visitor Log(Visitors) tab in piwik 1.12 version

Hi,
When I’am trying to export the CSV(Excel) file from Visitor Log(Visitors) tab in Piwik 1.12 version, it is giving the following error.Can someone help me out to resolve this?

There is an error. Please report the message (Piwik 1.12) and full backtrace in the Piwik forums (please do a Search first as it might have been reported already!).

Notice: Array to string conversion in /var/www/html/piwik1.12/core/DataTable/Renderer/Csv.php on line 283

Backtrace -->

#0 Piwik_ErrorHandler(…) called at [/var/www/html/piwik1.12/core/DataTable/Renderer/Csv.php:283]
#1 Piwik_DataTable_Renderer_Csv->renderDataTable(…) called at [/var/www/html/piwik1.12/core/DataTable/Renderer/Csv.php:132]
#2 Piwik_DataTable_Renderer_Csv->renderTable(…) called at [/var/www/html/piwik1.12/core/DataTable/Renderer/Csv.php:68]
#3 Piwik_DataTable_Renderer_Csv->render(…) called at [/var/www/html/piwik1.12/core/DataTable/Renderer/Tsv.php:39]
#4 Piwik_DataTable_Renderer_Tsv->render(…) called at [/var/www/html/piwik1.12/core/API/ResponseBuilder.php:193]
#5 Piwik_API_ResponseBuilder->getRenderedDataTable(…) called at [/var/www/html/piwik1.12/core/API/ResponseBuilder.php:300]
#6 Piwik_API_ResponseBuilder->handleDataTable(…) called at [/var/www/html/piwik1.12/core/API/ResponseBuilder.php:77]
#7 Piwik_API_ResponseBuilder->getResponse(…) called at [/var/www/html/piwik1.12/core/API/Request.php:147]
#8 Piwik_API_Request->process(…) called at [/var/www/html/piwik1.12/plugins/API/Controller.php:25]
#9 Piwik_API_Controller->index(…) called at [:]
#10 call_user_func_array(…) called at [/var/www/html/piwik1.12/core/FrontController.php:125]
#11 Piwik_FrontController->dispatch(…) called at [/var/www/html/piwik1.12/index.php:47]

There is an error. Please report the message (Piwik 1.12) and full backtrace in the Piwik forums (please do a Search first as it might have been reported already!).

Notice: Array to string conversion in /var/www/html/piwik1.12/core/DataTable/Renderer/Csv.php on line 283

Backtrace -->

#0 Piwik_ErrorHandler(…) called at [/var/www/html/piwik1.12/core/DataTable/Renderer/Csv.php:283]
#1 Piwik_DataTable_Renderer_Csv->renderDataTable(…) called at [/var/www/html/piwik1.12/core/DataTable/Renderer/Csv.php:132]
#2 Piwik_DataTable_Renderer_Csv->renderTable(…) called at [/var/www/html/piwik1.12/core/DataTable/Renderer/Csv.php:68]
#3 Piwik_DataTable_Renderer_Csv->render(…) called at [/var/www/html/piwik1.12/core/DataTable/Renderer/Tsv.php:39]
#4 Piwik_DataTable_Renderer_Tsv->render(…) called at [/var/www/html/piwik1.12/core/API/ResponseBuilder.php:193]
#5 Piwik_API_ResponseBuilder->getRenderedDataTable(…) called at [/var/www/html/piwik1.12/core/API/ResponseBuilder.php:300]
#6 Piwik_API_ResponseBuilder->handleDataTable(…) called at [/var/www/html/piwik1.12/core/API/ResponseBuilder.php:77]
#7 Piwik_API_ResponseBuilder->getResponse(…) called at [/var/www/html/piwik1.12/core/API/Request.php:147]
#8 Piwik_API_Request->process(…) called at [/var/www/html/piwik1.12/plugins/API/Controller.php:25]
#9 Piwik_API_Controller->index(…) called at [:]
#10 call_user_func_array(…) called at [/var/www/html/piwik1.12/core/FrontController.php:125]
#11 Piwik_FrontController->dispatch(…) called at [/var/www/html/piwik1.12/index.php:47]

Thanks,
Kranthi

This bug was fixed in Piwik 2 301 Moved Permanently

Hi Matt,
But I see it is working fine in local(Windows7-OS) environment.The above issue is seen on Linux environment.

Thanks

As i said the bug is fixed in 2.0

Hi Matt,
Is the issue only in Linux OS?

Also Matt,
Can we make it work in piwik 1.12 version in LINUX environment?Are there any settings/changes required for this?

Thanks

Yes upgrade to 2.0 which is still beta 301 Moved Permanently