There is an error. Please report the message (Piwik 2.0.3) and full backtrace in the Piwik forums (please do a Search first as it might have been reported already!).

Notice:
tempnam(): file created in the system's temporary directory in /home/ressons/Piwik/core/CacheFile.php on line 143

Backtrace -->

#0 Piwik\Error::errorHandler(...) called at [:]
#1 tempnam(...) called at [/home/ressons/Piwik/core/CacheFile.php:143]
#2 Piwik\CacheFile->set(...) called at [/home/ressons/Piwik/core/Tracker/Cache.php:98]
#3 Piwik\Tracker\Cache::getCacheWebsiteAttributes(...) called at [/home/ressons/Piwik/core/Tracker/PageUrl.php:84]
#4 Piwik\Tracker\PageUrl::getQueryParametersToExclude(...) called at [/home/ressons/Piwik/core/Tracker/PageUrl.php:50]
#5 Piwik\Tracker\PageUrl::excludeQueryParametersFromUrl(...) called at [/home/ressons/Piwik/plugins/Actions/API.php:391]
#6 Piwik\Plugins\Actions\API->getFilterPageDatatableSearch(...) called at [/home/ressons/Piwik/plugins/Actions/API.php:205]
#7 Piwik\Plugins\Actions\API->getPageUrl(...) called at [:]
#8 call_user_func_array(...) called at [/home/ressons/Piwik/core/API/Proxy.php:213]
#9 Piwik\API\Proxy->call(...) called at [/home/ressons/Piwik/core/API/Request.php:220]
#10 Piwik\API\Request->process(...) called at [/home/ressons/Piwik/plugins/API/Controller.php:34]
#11 Piwik\Plugins\API\Controller->index(...) called at [:]
#12 call_user_func_array(...) called at [/home/ressons/Piwik/core/FrontController.php:117]
#13 Piwik\FrontController->dispatch(...) called at [/home/ressons/Piwik/index.php:62]


There is an error. Please report the message (Piwik 2.0.3) and full backtrace in the Piwik forums (please do a Search first as it might have been reported already!).

Warning:
Cannot modify header information - headers already sent by (output started at /home/ressons/Piwik/core/Log.php:455) in /home/ressons/Piwik/core/DataTable/Renderer/Rss.php on line 49

Backtrace -->

#0 Piwik\Error::errorHandler(...) called at [:]
#1 header(...) called at [/home/ressons/Piwik/core/DataTable/Renderer/Rss.php:49]
#2 Piwik\DataTable\Renderer\Rss->renderException(...) called at [/home/ressons/Piwik/core/API/ResponseBuilder.php:146]
#3 Piwik\API\ResponseBuilder->getResponseException(...) called at [/home/ressons/Piwik/core/API/Request.php:224]
#4 Piwik\API\Request->process(...) called at [/home/ressons/Piwik/plugins/API/Controller.php:34]
#5 Piwik\Plugins\API\Controller->index(...) called at [:]
#6 call_user_func_array(...) called at [/home/ressons/Piwik/core/FrontController.php:117]
#7 Piwik\FrontController->dispatch(...) called at [/home/ressons/Piwik/index.php:62]


Error: SQLSTATE[42000]: Syntax error or access violation: 3057 Incorrect user-level lock name 'piwik.ressonspiwik.piwik_/1/1/2024-04-15,2024-04-15/cc777a48e608f8a18b7cd8db904bdaec'.