Deprecated: Joomla\Input\Input implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /homepages/29/d349479668/htdocs/lehrerkraus/libraries/vendor/joomla/input/src/Input.php on line 41

Deprecated: Return type of Joomla\Input\Input::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /homepages/29/d349479668/htdocs/lehrerkraus/libraries/vendor/joomla/input/src/Input.php on line 170

Deprecated: Joomla\CMS\Input\Input implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /homepages/29/d349479668/htdocs/lehrerkraus/libraries/src/Input/Input.php on line 31

Warning: session_name(): Session name cannot be changed after headers have already been sent in /homepages/29/d349479668/htdocs/lehrerkraus/libraries/joomla/session/handler/native.php on line 128

Deprecated: Joomla\CMS\Input\Cookie implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /homepages/29/d349479668/htdocs/lehrerkraus/libraries/src/Input/Cookie.php on line 21

Warning: session_cache_limiter(): Session cache limiter cannot be changed after headers have already been sent in /homepages/29/d349479668/htdocs/lehrerkraus/libraries/joomla/session/handler/native.php on line 235
Error: Failed to start application: Failed to start the session because headers have already been sent by "/homepages/29/d349479668/htdocs/lehrerkraus/libraries/vendor/joomla/input/src/Input.php" at line 41.