Declaration of Piwik_Log_APICall::log() should be compatible with that of Piwik_Log::log() 
in '/web/htdocs/www.rockpop60.it/home/pinasiob/piwik/core/Log/APICall.php' at the line 52

#0  Piwik_ErrorHandler(2048, Declaration of Piwik_Log_APICall::log() should be compatible with that of Piwik_Log::log(), /web/htdocs/www.rockpop60.it/home/pinasiob/piwik/core/Log/APICall.php, 52, Array ()) called at [(null):0]
#1  Piwik::createLogObject() called at [/web/htdocs/www.rockpop60.it/home/pinasiob/piwik/core/Piwik.php:1028]
#2  Piwik::createLogObject() called at [/web/htdocs/www.rockpop60.it/home/pinasiob/piwik/core/FrontController.php:234]
#3  Piwik_FrontController->init() called at [/web/htdocs/www.rockpop60.it/home/pinasiob/piwik/index.php:51]