Failed to start the session because headers have already been sent by "/var/www/synthstudio/libraries/src/Application/WebApplication.php" at line 355. (500 Whoops, looks like something went wrong.)

Exceptions 2

RuntimeException

in /var/www/synthstudio/libraries/vendor/joomla/session/src/Storage/NativeStorage.php (line 473)

throw new \RuntimeException('Failed to start the session: already started by PHP.');
}
if (ini_get('session.use_cookies') && headers_sent($file, $line))
{
throw new \RuntimeException(
sprintf('Failed to start the session because headers have already been sent by "%s" at line %d.', $file, $line)
);
}
if (!session_start())

NativeStorage->start() in /var/www/synthstudio/libraries/src/Session/Storage/JoomlaStorage.php (line 305)

$this->setId($session_clean);
$cookie->set($session_name, '', time() - 3600);
}
}
parent::start();
// Try loading data from the session
if (isset($_SESSION['joomla']) && !empty($_SESSION['joomla']))
{
$this->data = unserialize(base64_decode($_SESSION['joomla']));

in /var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php -> start (line 405)

if ($this->isStarted())
{
return;
}
$this->store->start();
$this->setState(SessionState::ACTIVE);
// Initialise the session
$this->setCounter();

in /var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php -> start (line 332)

*/
public function has($name)
{
if (!$this->isActive())
{
$this->start();
}
return $this->store->has($name);
}

Session->has() in /var/www/synthstudio/libraries/src/Session/Session.php (line 201)

$name = $args[2] . '.' . $name;
}
}
if (parent::has($name))
{
// Parent is used because of b/c, can be changed in Joomla 5
return parent::get($name, $default);
}

Session->get() in /var/www/synthstudio/libraries/src/Factory.php (line 338)

__CLASS__
),
E_USER_DEPRECATED
);
$instance = self::getApplication()->getSession()->get('user');
if (\is_null($id))
{
if (!($instance instanceof User))
{

Factory::getUser() in /var/www/synthstudio/templates/t4_bs5_blank/error.php (line 14)

defined('_JEXEC') or die;
$app = JFactory::getApplication();
$doc = JFactory::getDocument();
$user = JFactory::getUser();
$this->language = $doc->language;
$this->direction = $doc->direction;
// Getting params from template
$params = $app->getTemplate(true)->params;

require('/var/www/synthstudio/templates/t4_bs5_blank/error.php') in /var/www/synthstudio/libraries/src/Document/HtmlDocument.php (line 771)

// Store the file path
$this->_file = $directory . '/' . $filename;
// Get the file content
ob_start();
require $directory . '/' . $filename;
$contents = ob_get_contents();
ob_end_clean();
}
return $contents;

HtmlDocument->_loadTemplate() in /var/www/synthstudio/libraries/src/Document/HtmlDocument.php (line 830)

$this->baseurl = Uri::base(true);
$this->params = $params['params'] ?? new Registry;
$this->template = $template;
// Load
$this->_template = $this->_loadTemplate($baseDir, $file);
return $this;
}
/**

HtmlDocument->_fetchTemplate() in /var/www/synthstudio/libraries/src/Document/HtmlDocument.php (line 633)

*
* @since 1.7.0
*/
public function parse($params = array())
{
return $this->_fetchTemplate($params)->_parseTemplate();
}
/**
* Outputs the template to the browser.
*

HtmlDocument->parse() in /var/www/synthstudio/libraries/src/Document/HtmlDocument.php (line 652)

{
$this->_caching = $caching;
if (empty($this->_template))
{
$this->parse($params);
}
if (\array_key_exists('csp_nonce', $params) && $params['csp_nonce'] !== null)
{
$this->cspNonce = $params['csp_nonce'];

HtmlDocument->render() in /var/www/synthstudio/libraries/src/Document/ErrorDocument.php (line 140)

$this->debug = $params['debug'] ?? false;
$this->error = $this->_error;
$params['file'] = 'error.php';
return parent::render($cache, $params);
}
/**
* Render the backtrace
*

ErrorDocument->render() in /var/www/synthstudio/libraries/src/Error/Renderer/HtmlRenderer.php (line 77)

'template' => $template->template,
'directory' => JPATH_THEMES,
'debug' => JDEBUG,
'csp_nonce' => $app->get('csp_nonce'),
'templateInherits' => $template->parent,
'params' => $template->params,
]
);
}
}

HtmlRenderer->render() in /var/www/synthstudio/libraries/src/Exception/ExceptionHandler.php (line 128)

// Reset the document object in the factory, this gives us a clean slate and lets everything render properly
Factory::$document = $renderer->getDocument();
Factory::getApplication()->loadDocument(Factory::$document);
$data = $renderer->render($error);
// If nothing was rendered, just use the message from the Exception
if (empty($data))
{
$data = $error->getMessage();

ExceptionHandler::render() in /var/www/synthstudio/libraries/src/Exception/ExceptionHandler.php (line 71)

* @since 3.10.0
*/
public static function handleException(\Throwable $error)
{
static::logException($error);
static::render($error);
}
/**
* Render the error page based on an exception.
*

ExceptionHandler::handleException() in /var/www/synthstudio/libraries/src/Application/CMSApplication.php (line 311)

);
// Trigger the onError event.
$this->triggerEvent('onError', $event);
ExceptionHandler::handleException($event->getError());
}
// Send the application response.
$this->respond();

CMSApplication->execute() in /var/www/synthstudio/includes/app.php (line 63)

// Set the application as global app
\Joomla\CMS\Factory::$application = $app;
// Execute the application.
$app->execute();

require_once('/var/www/synthstudio/includes/app.php') in /var/www/synthstudio/index.php (line 32)

* define() is used rather than "const" to not error for PHP 5.2 and lower
*/
define('_JEXEC', 1);
// Run the application - All executable code should be triggered through this file
require_once dirname(__FILE__) . '/includes/app.php';

RuntimeException

Failed to start the session because headers have already been sent by "/var/www/synthstudio/libraries/src/Application/WebApplication.php" at line 355.

in /var/www/synthstudio/libraries/vendor/joomla/session/src/Storage/NativeStorage.php (line 473)

throw new \RuntimeException('Failed to start the session: already started by PHP.');
}
if (ini_get('session.use_cookies') && headers_sent($file, $line))
{
throw new \RuntimeException(
sprintf('Failed to start the session because headers have already been sent by "%s" at line %d.', $file, $line)
);
}
if (!session_start())

NativeStorage->start() in /var/www/synthstudio/libraries/src/Session/Storage/JoomlaStorage.php (line 305)

$this->setId($session_clean);
$cookie->set($session_name, '', time() - 3600);
}
}
parent::start();
// Try loading data from the session
if (isset($_SESSION['joomla']) && !empty($_SESSION['joomla']))
{
$this->data = unserialize(base64_decode($_SESSION['joomla']));

in /var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php -> start (line 405)

if ($this->isStarted())
{
return;
}
$this->store->start();
$this->setState(SessionState::ACTIVE);
// Initialise the session
$this->setCounter();

in /var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php -> start (line 332)

*/
public function has($name)
{
if (!$this->isActive())
{
$this->start();
}
return $this->store->has($name);
}

Session->has() in /var/www/synthstudio/libraries/src/Session/Session.php (line 201)

$name = $args[2] . '.' . $name;
}
}
if (parent::has($name))
{
// Parent is used because of b/c, can be changed in Joomla 5
return parent::get($name, $default);
}

Session->get() in /var/www/synthstudio/libraries/src/Factory.php (line 338)

__CLASS__
),
E_USER_DEPRECATED
);
$instance = self::getApplication()->getSession()->get('user');
if (\is_null($id))
{
if (!($instance instanceof User))
{

Factory::getUser() in /var/www/synthstudio/libraries/src/Application/SiteApplication.php (line 621)

*
* @since 3.2
*/
protected function initialiseApp($options = array())
{
$user = Factory::getUser();
// If the user is a guest we populate it with the guest user group.
if ($user->guest)
{
$guestUsergroup = ComponentHelper::getParams('com_users')->get('guest_usergroup', 1);

SiteApplication->initialiseApp() in /var/www/synthstudio/libraries/src/Application/SiteApplication.php (line 224)

* @since 3.2
*/
protected function doExecute()
{
// Initialise the application
$this->initialiseApp();
// Mark afterInitialise in the profiler.
JDEBUG ? $this->profiler->mark('afterInitialise') : null;
// Route the application

SiteApplication->doExecute() in /var/www/synthstudio/libraries/src/Application/CMSApplication.php (line 278)

$this->sanityCheckSystemVariables();
$this->setupLogging();
$this->createExtensionNamespaceMap();
// Perform application routines.
$this->doExecute();
// If we have an application document object, render it.
if ($this->document instanceof \Joomla\CMS\Document\Document)
{
// Render the application output.

CMSApplication->execute() in /var/www/synthstudio/includes/app.php (line 63)

// Set the application as global app
\Joomla\CMS\Factory::$application = $app;
// Execute the application.
$app->execute();

require_once('/var/www/synthstudio/includes/app.php') in /var/www/synthstudio/index.php (line 32)

* define() is used rather than "const" to not error for PHP 5.2 and lower
*/
define('_JEXEC', 1);
// Run the application - All executable code should be triggered through this file
require_once dirname(__FILE__) . '/includes/app.php';

Stack Traces 2

[2/2] RuntimeException
RuntimeException: Failed to start the session because headers have already been sent by "/var/www/synthstudio/libraries/src/Application/WebApplication.php" at line 355. at /var/www/synthstudio/libraries/vendor/joomla/session/src/Storage/NativeStorage.php:473 at Joomla\Session\Storage\NativeStorage->start() (/var/www/synthstudio/libraries/src/Session/Storage/JoomlaStorage.php:305) at Joomla\CMS\Session\Storage\JoomlaStorage->start() (/var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php:405) at Joomla\Session\Session->start() (/var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php:332) at Joomla\Session\Session->has() (/var/www/synthstudio/libraries/src/Session/Session.php:201) at Joomla\CMS\Session\Session->get() (/var/www/synthstudio/libraries/src/Factory.php:338) at Joomla\CMS\Factory::getUser() (/var/www/synthstudio/templates/t4_bs5_blank/error.php:14) at require('/var/www/synthstudio/templates/t4_bs5_blank/error.php') (/var/www/synthstudio/libraries/src/Document/HtmlDocument.php:771) at Joomla\CMS\Document\HtmlDocument->_loadTemplate() (/var/www/synthstudio/libraries/src/Document/HtmlDocument.php:830) at Joomla\CMS\Document\HtmlDocument->_fetchTemplate() (/var/www/synthstudio/libraries/src/Document/HtmlDocument.php:633) at Joomla\CMS\Document\HtmlDocument->parse() (/var/www/synthstudio/libraries/src/Document/HtmlDocument.php:652) at Joomla\CMS\Document\HtmlDocument->render() (/var/www/synthstudio/libraries/src/Document/ErrorDocument.php:140) at Joomla\CMS\Document\ErrorDocument->render() (/var/www/synthstudio/libraries/src/Error/Renderer/HtmlRenderer.php:77) at Joomla\CMS\Error\Renderer\HtmlRenderer->render() (/var/www/synthstudio/libraries/src/Exception/ExceptionHandler.php:128) at Joomla\CMS\Exception\ExceptionHandler::render() (/var/www/synthstudio/libraries/src/Exception/ExceptionHandler.php:71) at Joomla\CMS\Exception\ExceptionHandler::handleException() (/var/www/synthstudio/libraries/src/Application/CMSApplication.php:311) at Joomla\CMS\Application\CMSApplication->execute() (/var/www/synthstudio/includes/app.php:63) at require_once('/var/www/synthstudio/includes/app.php') (/var/www/synthstudio/index.php:32)

[2/2] RuntimeException

RuntimeException:
Failed to start the session because headers have already been sent by "/var/www/synthstudio/libraries/src/Application/WebApplication.php" at line 355.

  at /var/www/synthstudio/libraries/vendor/joomla/session/src/Storage/NativeStorage.php:473
  at Joomla\Session\Storage\NativeStorage->start()
     (/var/www/synthstudio/libraries/src/Session/Storage/JoomlaStorage.php:305)
  at Joomla\CMS\Session\Storage\JoomlaStorage->start()
     (/var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php:405)
  at Joomla\Session\Session->start()
     (/var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php:332)
  at Joomla\Session\Session->has()
     (/var/www/synthstudio/libraries/src/Session/Session.php:201)
  at Joomla\CMS\Session\Session->get()
     (/var/www/synthstudio/libraries/src/Factory.php:338)
  at Joomla\CMS\Factory::getUser()
     (/var/www/synthstudio/templates/t4_bs5_blank/error.php:14)
  at require('/var/www/synthstudio/templates/t4_bs5_blank/error.php')
     (/var/www/synthstudio/libraries/src/Document/HtmlDocument.php:771)
  at Joomla\CMS\Document\HtmlDocument->_loadTemplate()
     (/var/www/synthstudio/libraries/src/Document/HtmlDocument.php:830)
  at Joomla\CMS\Document\HtmlDocument->_fetchTemplate()
     (/var/www/synthstudio/libraries/src/Document/HtmlDocument.php:633)
  at Joomla\CMS\Document\HtmlDocument->parse()
     (/var/www/synthstudio/libraries/src/Document/HtmlDocument.php:652)
  at Joomla\CMS\Document\HtmlDocument->render()
     (/var/www/synthstudio/libraries/src/Document/ErrorDocument.php:140)
  at Joomla\CMS\Document\ErrorDocument->render()
     (/var/www/synthstudio/libraries/src/Error/Renderer/HtmlRenderer.php:77)
  at Joomla\CMS\Error\Renderer\HtmlRenderer->render()
     (/var/www/synthstudio/libraries/src/Exception/ExceptionHandler.php:128)
  at Joomla\CMS\Exception\ExceptionHandler::render()
     (/var/www/synthstudio/libraries/src/Exception/ExceptionHandler.php:71)
  at Joomla\CMS\Exception\ExceptionHandler::handleException()
     (/var/www/synthstudio/libraries/src/Application/CMSApplication.php:311)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/var/www/synthstudio/includes/app.php:63)
  at require_once('/var/www/synthstudio/includes/app.php')
     (/var/www/synthstudio/index.php:32)

[1/2] RuntimeException
RuntimeException: Failed to start the session because headers have already been sent by "/var/www/synthstudio/libraries/src/Application/WebApplication.php" at line 355. at /var/www/synthstudio/libraries/vendor/joomla/session/src/Storage/NativeStorage.php:473 at Joomla\Session\Storage\NativeStorage->start() (/var/www/synthstudio/libraries/src/Session/Storage/JoomlaStorage.php:305) at Joomla\CMS\Session\Storage\JoomlaStorage->start() (/var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php:405) at Joomla\Session\Session->start() (/var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php:332) at Joomla\Session\Session->has() (/var/www/synthstudio/libraries/src/Session/Session.php:201) at Joomla\CMS\Session\Session->get() (/var/www/synthstudio/libraries/src/Factory.php:338) at Joomla\CMS\Factory::getUser() (/var/www/synthstudio/libraries/src/Application/SiteApplication.php:621) at Joomla\CMS\Application\SiteApplication->initialiseApp() (/var/www/synthstudio/libraries/src/Application/SiteApplication.php:224) at Joomla\CMS\Application\SiteApplication->doExecute() (/var/www/synthstudio/libraries/src/Application/CMSApplication.php:278) at Joomla\CMS\Application\CMSApplication->execute() (/var/www/synthstudio/includes/app.php:63) at require_once('/var/www/synthstudio/includes/app.php') (/var/www/synthstudio/index.php:32)

[1/2] RuntimeException

RuntimeException:
Failed to start the session because headers have already been sent by "/var/www/synthstudio/libraries/src/Application/WebApplication.php" at line 355.

  at /var/www/synthstudio/libraries/vendor/joomla/session/src/Storage/NativeStorage.php:473
  at Joomla\Session\Storage\NativeStorage->start()
     (/var/www/synthstudio/libraries/src/Session/Storage/JoomlaStorage.php:305)
  at Joomla\CMS\Session\Storage\JoomlaStorage->start()
     (/var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php:405)
  at Joomla\Session\Session->start()
     (/var/www/synthstudio/libraries/vendor/joomla/session/src/Session.php:332)
  at Joomla\Session\Session->has()
     (/var/www/synthstudio/libraries/src/Session/Session.php:201)
  at Joomla\CMS\Session\Session->get()
     (/var/www/synthstudio/libraries/src/Factory.php:338)
  at Joomla\CMS\Factory::getUser()
     (/var/www/synthstudio/libraries/src/Application/SiteApplication.php:621)
  at Joomla\CMS\Application\SiteApplication->initialiseApp()
     (/var/www/synthstudio/libraries/src/Application/SiteApplication.php:224)
  at Joomla\CMS\Application\SiteApplication->doExecute()
     (/var/www/synthstudio/libraries/src/Application/CMSApplication.php:278)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/var/www/synthstudio/includes/app.php:63)
  at require_once('/var/www/synthstudio/includes/app.php')
     (/var/www/synthstudio/index.php:32)

RuntimeException RuntimeException

HTTP 500 Whoops, looks like something went wrong.

Failed to start the session because headers have already been sent by "/var/www/synthstudio/libraries/src/Application/WebApplication.php" at line 355.

Exceptions 2

RuntimeException

RuntimeException

Stack Traces 2