CIPAC contact persons


General inquiries about CIPAC work.

Do you have a question/inquery? Please send an e-mail to:

cipac@agroscope.admin.ch Your message will be processed and forwarded to the respective CIPAC officers. They will answer you directly.
Please allow certain time to answer your questions and enquiries.


Note: 
Please mention which CIPAC officer you need for specific questions on ongoing work only!

CIPAC contact persons


Eleni Karasali
Eleni KarasaliChairEmail:
Laszlo Bura
Laszlo BuraSecretaryEmail:
Brian Hocken
Brian HockenTreasurerEmail:
VacancyAssistant secretary
Bruno Patrian
Bruno PatrianCommunication officerEmail:
Netty Hoefakker - de Rijk
Netty Hoefakker - de RijkWeb DesignerEmail:

 You can also fill in the contact form. Please mention to whom you ask the question.

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Failed to start the session because headers have already been sent by "D:\www\www83\plugins\system\debug\src\Extension\Debug.php" at line 377. (500 Whoops, looks like something went wrong.)

RuntimeException RuntimeException

HTTP 500 Whoops, looks like something went wrong.

Failed to start the session because headers have already been sent by "D:\www\www83\plugins\system\debug\src\Extension\Debug.php" at line 377.

Exceptions 2

RuntimeException

  1. if ($this->isActive()) {
  2. throw new \RuntimeException('Failed to start the session: already started by PHP.');
  3. }
  4. if (ini_get('session.use_cookies') && headers_sent($file, $line)) {
  5. throw new \RuntimeException(
  6. sprintf('Failed to start the session because headers have already been sent by "%s" at line %d.', $file, $line)
  7. );
  8. }
  9. if (!session_start()) {
  1. $this->setId($session_clean);
  2. $cookie->set($session_name, '', ['expires' => time() - 3600 ]);
  3. }
  4. }
  5. parent::start();
  6. // Try loading data from the session
  7. if (!empty($_SESSION['joomla'])) {
  8. $this->data = unserialize(base64_decode($_SESSION['joomla']));
  9. }
  1. {
  2. if ($this->isStarted()) {
  3. return;
  4. }
  5. $this->store->start();
  6. $this->setState(SessionState::ACTIVE);
  7. // Initialise the session
  8. $this->setCounter();
  1. * @since 1.0
  2. */
  3. public function has($name)
  4. {
  5. if (!$this->isActive()) {
  6. $this->start();
  7. }
  8. return $this->store->has($name);
  9. }
  1. $name = $args[2] . '.' . $name;
  2. }
  3. }
  4. if (parent::has($name)) {
  5. // Parent is used because of b/c, can be changed in Joomla 6
  6. return parent::get($name, $default);
  7. }
  8. /*
Session->get() in D:\www\www83\libraries\src\Factory.php (line 372)
  1. __CLASS__
  2. ),
  3. E_USER_DEPRECATED
  4. );
  5. $instance = self::getApplication()->getSession()->get('user');
  6. if (\is_null($id)) {
  7. if (!($instance instanceof User)) {
  8. $instance = User::getInstance();
  9. }
  1. {
  2. $renderer = $this->_doc->loadRenderer('module');
  3. $buffer = '';
  4. $app = Factory::getApplication();
  5. $user = Factory::getUser();
  6. $frontediting = ($app->isClient('site') && $app->get('frontediting', 1) && !$user->guest);
  7. $menusEditing = ($app->get('frontediting', 1) == 2) && $user->authorise('core.edit', 'com_menus');
  8. foreach (ModuleHelper::getModules($position) as $mod) {
  9. $moduleHtml = $renderer->render($mod, $params, $content);
ModulesRenderer->render() in D:\www\www83\libraries\src\Document\HtmlDocument.php (line 578)
  1. $cbuffer[$hash] = $tmpdata;
  2. $cache->store($cbuffer, 'cbuffer_' . $type);
  3. } else {
  4. $this->setBuffer($renderer->render($name, $attribs, null), $type, $name, $title);
  5. }
  6. return parent::$_buffer[$type][$name][$title];
  7. }
HtmlDocument->getBuffer() in D:\www\www83\libraries\src\Document\HtmlDocument.php (line 897)
  1. $replace = [];
  2. $with = [];
  3. foreach ($this->_template_tags as $jdoc => $args) {
  4. $replace[] = $jdoc;
  5. $with[] = $this->getBuffer($args['type'], $args['name'], $args['attribs']);
  6. }
  7. return str_replace($replace, $with, $this->_template);
  8. }
  9. }
HtmlDocument->_renderTemplate() in D:\www\www83\libraries\src\Document\HtmlDocument.php (line 650)
  1. if (\array_key_exists('csp_nonce', $params) && $params['csp_nonce'] !== null) {
  2. $this->cspNonce = $params['csp_nonce'];
  3. }
  4. $data = $this->_renderTemplate();
  5. parent::render($caching, $params);
  6. return $data;
  7. }
HtmlDocument->render() in D:\www\www83\libraries\src\Document\ErrorDocument.php (line 139)
  1. $this->debug = $params['debug'] ?? false;
  2. $this->error = $this->_error;
  3. $params['file'] = 'error.php';
  4. return parent::render($cache, $params);
  5. }
  6. /**
  7. * Render the backtrace
  8. *
  1. ob_end_clean();
  2. }
  3. $this->getDocument()->setTitle(Text::_('Error') . ': ' . $error->getCode());
  4. return $this->getDocument()->render(
  5. false,
  6. [
  7. 'template' => $template->template,
  8. 'directory' => JPATH_THEMES,
  9. 'debug' => JDEBUG,
  1. 'subject' => $app,
  2. 'document' => $renderer->getDocument(),
  3. ])
  4. );
  5. $data = $renderer->render($error);
  6. // If nothing was rendered, just use the message from the Exception
  7. if (empty($data)) {
  8. $data = $error->getMessage();
  9. }
ExceptionHandler::render() in D:\www\www83\libraries\src\Exception\ExceptionHandler.php (line 76)
  1. * @since 3.10.0
  2. */
  3. public static function handleException(\Throwable $error)
  4. {
  5. static::logException($error);
  6. static::render($error);
  7. }
  8. /**
  9. * Render the error page based on an exception.
  10. *
ExceptionHandler::handleException() in D:\www\www83\libraries\src\Application\CMSApplication.php (line 334)
  1. );
  2. // Trigger the onError event.
  3. $this->dispatchEvent('onError', $event);
  4. ExceptionHandler::handleException($event->getError());
  5. }
  6. // Trigger the onBeforeRespond event.
  7. $this->dispatchEvent(
  8. 'onBeforeRespond',
CMSApplication->execute() in D:\www\www83\index.php (line 35)
  1. // Run the application - All executable code should be triggered through this file
  2. require_once dirname(__FILE__) . '/includes/app.php';
  3. $app = JFactory::getApplication('site');
  4. $app->execute();

RuntimeException

Failed to start the session because headers have already been sent by "D:\www\www83\plugins\system\debug\src\Extension\Debug.php" at line 377.

  1. if ($this->isActive()) {
  2. throw new \RuntimeException('Failed to start the session: already started by PHP.');
  3. }
  4. if (ini_get('session.use_cookies') && headers_sent($file, $line)) {
  5. throw new \RuntimeException(
  6. sprintf('Failed to start the session because headers have already been sent by "%s" at line %d.', $file, $line)
  7. );
  8. }
  9. if (!session_start()) {
  1. $this->setId($session_clean);
  2. $cookie->set($session_name, '', ['expires' => time() - 3600 ]);
  3. }
  4. }
  5. parent::start();
  6. // Try loading data from the session
  7. if (!empty($_SESSION['joomla'])) {
  8. $this->data = unserialize(base64_decode($_SESSION['joomla']));
  9. }
  1. {
  2. if ($this->isStarted()) {
  3. return;
  4. }
  5. $this->store->start();
  6. $this->setState(SessionState::ACTIVE);
  7. // Initialise the session
  8. $this->setCounter();
  1. * @since 1.0
  2. */
  3. public function has($name)
  4. {
  5. if (!$this->isActive()) {
  6. $this->start();
  7. }
  8. return $this->store->has($name);
  9. }
  1. $name = $args[2] . '.' . $name;
  2. }
  3. }
  4. if (parent::has($name)) {
  5. // Parent is used because of b/c, can be changed in Joomla 6
  6. return parent::get($name, $default);
  7. }
  8. /*
Session->get() in D:\www\www83\libraries\src\Factory.php (line 372)
  1. __CLASS__
  2. ),
  3. E_USER_DEPRECATED
  4. );
  5. $instance = self::getApplication()->getSession()->get('user');
  6. if (\is_null($id)) {
  7. if (!($instance instanceof User)) {
  8. $instance = User::getInstance();
  9. }
  1. *
  2. * @since 3.2
  3. */
  4. protected function initialiseApp($options = [])
  5. {
  6. $user = Factory::getUser();
  7. // If the user is a guest we populate it with the guest user group.
  8. if ($user->guest) {
  9. $guestUsergroup = ComponentHelper::getParams('com_users')->get('guest_usergroup', 1);
  10. $user->groups = [$guestUsergroup];
SiteApplication->initialiseApp() in D:\www\www83\libraries\src\Application\SiteApplication.php (line 237)
  1. * @since 3.2
  2. */
  3. protected function doExecute()
  4. {
  5. // Initialise the application
  6. $this->initialiseApp();
  7. // Mark afterInitialise in the profiler.
  8. JDEBUG ? $this->profiler->mark('afterInitialise') : null;
  9. // Route the application
SiteApplication->doExecute() in D:\www\www83\libraries\src\Application\CMSApplication.php (line 304)
  1. $this->sanityCheckSystemVariables();
  2. $this->setupLogging();
  3. $this->createExtensionNamespaceMap();
  4. // Perform application routines.
  5. $this->doExecute();
  6. // If we have an application document object, render it.
  7. if ($this->document instanceof \Joomla\CMS\Document\Document) {
  8. // Render the application output.
  9. $this->render();
CMSApplication->execute() in D:\www\www83\index.php (line 35)
  1. // Run the application - All executable code should be triggered through this file
  2. require_once dirname(__FILE__) . '/includes/app.php';
  3. $app = JFactory::getApplication('site');
  4. $app->execute();

Stack Traces 2

[2/2] RuntimeException
RuntimeException:
Failed to start the session because headers have already been sent by "D:\www\www83\plugins\system\debug\src\Extension\Debug.php" at line 377.

  at D:\www\www83\libraries\vendor\joomla\session\src\Storage\NativeStorage.php:454
  at Joomla\Session\Storage\NativeStorage->start()
     (D:\www\www83\libraries\src\Session\Storage\JoomlaStorage.php:313)
  at Joomla\CMS\Session\Storage\JoomlaStorage->start()
     (D:\www\www83\libraries\vendor\joomla\session\src\Session.php:396)
  at Joomla\Session\Session->start()
     (D:\www\www83\libraries\vendor\joomla\session\src\Session.php:327)
  at Joomla\Session\Session->has()
     (D:\www\www83\libraries\src\Session\Session.php:194)
  at Joomla\CMS\Session\Session->get()
     (D:\www\www83\libraries\src\Factory.php:372)
  at Joomla\CMS\Factory::getUser()
     (D:\www\www83\libraries\src\Document\Renderer\Html\ModulesRenderer.php:46)
  at Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()
     (D:\www\www83\libraries\src\Document\HtmlDocument.php:578)
  at Joomla\CMS\Document\HtmlDocument->getBuffer()
     (D:\www\www83\libraries\src\Document\HtmlDocument.php:897)
  at Joomla\CMS\Document\HtmlDocument->_renderTemplate()
     (D:\www\www83\libraries\src\Document\HtmlDocument.php:650)
  at Joomla\CMS\Document\HtmlDocument->render()
     (D:\www\www83\libraries\src\Document\ErrorDocument.php:139)
  at Joomla\CMS\Document\ErrorDocument->render()
     (D:\www\www83\libraries\src\Error\Renderer\HtmlRenderer.php:70)
  at Joomla\CMS\Error\Renderer\HtmlRenderer->render()
     (D:\www\www83\libraries\src\Exception\ExceptionHandler.php:142)
  at Joomla\CMS\Exception\ExceptionHandler::render()
     (D:\www\www83\libraries\src\Exception\ExceptionHandler.php:76)
  at Joomla\CMS\Exception\ExceptionHandler::handleException()
     (D:\www\www83\libraries\src\Application\CMSApplication.php:334)
  at Joomla\CMS\Application\CMSApplication->execute()
     (D:\www\www83\index.php:35)                
[1/2] RuntimeException
RuntimeException:
Failed to start the session because headers have already been sent by "D:\www\www83\plugins\system\debug\src\Extension\Debug.php" at line 377.

  at D:\www\www83\libraries\vendor\joomla\session\src\Storage\NativeStorage.php:454
  at Joomla\Session\Storage\NativeStorage->start()
     (D:\www\www83\libraries\src\Session\Storage\JoomlaStorage.php:313)
  at Joomla\CMS\Session\Storage\JoomlaStorage->start()
     (D:\www\www83\libraries\vendor\joomla\session\src\Session.php:396)
  at Joomla\Session\Session->start()
     (D:\www\www83\libraries\vendor\joomla\session\src\Session.php:327)
  at Joomla\Session\Session->has()
     (D:\www\www83\libraries\src\Session\Session.php:194)
  at Joomla\CMS\Session\Session->get()
     (D:\www\www83\libraries\src\Factory.php:372)
  at Joomla\CMS\Factory::getUser()
     (D:\www\www83\libraries\src\Application\SiteApplication.php:565)
  at Joomla\CMS\Application\SiteApplication->initialiseApp()
     (D:\www\www83\libraries\src\Application\SiteApplication.php:237)
  at Joomla\CMS\Application\SiteApplication->doExecute()
     (D:\www\www83\libraries\src\Application\CMSApplication.php:304)
  at Joomla\CMS\Application\CMSApplication->execute()
     (D:\www\www83\index.php:35)