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Notice (8): A session had already been started - ignoring session_start() [APP/Config/bootstrap.php, line 2]

$boot = true
$engine = 'File'
$duration = '+10 seconds'
$prefix = 'myapp_'
$exception = array(
	'handler' => 'ErrorHandler::handleException'
)
$error = array(
	'handler' => 'ErrorHandler::handleError',
	'level' => (int) 22527
)

session_start - [internal], line ??
include - APP/Config/bootstrap.php, line 2
Configure::bootstrap() - CORE/Cake/Core/Configure.php, line 92
include - CORE/Cake/bootstrap.php, line 146
[main] - APP/webroot/index.php, line 77