Deprecated: Creation of dynamic property Template::$hide_global_chat is deprecated in /var/www/html/main/inc/lib/template.lib.php on line 88
Warning: mkdir(): Permission denied in /var/www/html/main/inc/lib/template.lib.php on line 101
Deprecated: Twig\Environment::__construct(): Implicitly marking parameter $loader as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/twig/twig/src/Environment.php on line 122
Deprecated: Return type of Twig\Node\Node::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/html/vendor/twig/twig/src/Node/Node.php on line 213
Deprecated: Return type of Twig\Node\Node::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/html/vendor/twig/twig/src/Node/Node.php on line 221
Deprecated: mb_convert_encoding(): Handling HTML entities via mbstring is deprecated; use htmlspecialchars, htmlentities, or mb_encode_numericentity/mb_decode_numericentity instead in /var/www/html/main/inc/lib/internationalization.lib.php on line 1242
Warning: Undefined array key 1 in /var/www/html/main/inc/lib/api.lib.php on line 1575
Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /var/www/html/main/inc/lib/api.lib.php on line 1582
Deprecated: Security::check_token(): Implicitly marking parameter $form as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/main/inc/lib/security.lib.php on line 154
Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/main/inc/lib/template.lib.php on line 1704
Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/main/inc/lib/template.lib.php on line 1762
Deprecated: Doctrine\ORM\Mapping\ClassMetadataInfo::__construct(): Implicitly marking parameter $namingStrategy as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php on line 665
Deprecated: Doctrine\ORM\Mapping\ClassMetadataInfo::getColumnNames(): Implicitly marking parameter $fieldNames as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php on line 1917
Deprecated: Doctrine\ORM\Persisters\Entity\BasicEntityPersister::load(): Implicitly marking parameter $orderBy as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php on line 720
Deprecated: Doctrine\ORM\Persisters\Entity\BasicEntityPersister::loadAll(): Implicitly marking parameter $orderBy as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php on line 891
Deprecated: Doctrine\ORM\Persisters\Entity\BasicEntityPersister::getSelectSQL(): Implicitly marking parameter $orderBy as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php on line 1049
Deprecated: Doctrine\ORM\Persisters\Entity\BasicEntityPersister::exists(): Implicitly marking parameter $extraConditions as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php on line 1991
Deprecated: Doctrine\ORM\Persisters\Entity\EntityPersister::getSelectSQL(): Implicitly marking parameter $orderBy as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/EntityPersister.php on line 75
Deprecated: Doctrine\ORM\Persisters\Entity\EntityPersister::load(): Implicitly marking parameter $orderBy as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/EntityPersister.php on line 200
Deprecated: Doctrine\ORM\Persisters\Entity\EntityPersister::loadAll(): Implicitly marking parameter $orderBy as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/EntityPersister.php on line 263
Deprecated: Doctrine\ORM\Persisters\Entity\EntityPersister::exists(): Implicitly marking parameter $extraConditions as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/EntityPersister.php on line 329
Deprecated: Doctrine\ORM\Mapping\DefaultQuoteStrategy::getColumnAlias(): Implicitly marking parameter $class as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/DefaultQuoteStrategy.php on line 150
Deprecated: Doctrine\ORM\Mapping\QuoteStrategy::getColumnAlias(): Implicitly marking parameter $class as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/QuoteStrategy.php on line 117
Deprecated: Doctrine\ORM\AbstractQuery::setHydrationCacheProfile(): Implicitly marking parameter $profile as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php on line 509
Deprecated: Doctrine\ORM\AbstractQuery::setResultCacheProfile(): Implicitly marking parameter $profile as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php on line 539
Fatal error: Uncaught Error: Class "Brumann\Polyfill\Unserialize" not found in /var/www/html/main/inc/lib/UnserializeApi.php:112
Stack trace:
#0 /var/www/html/main/inc/lib/plugin.class.php(359): UnserializeApi::unserialize()
#1 /var/www/html/main/inc/lib/plugin.class.php(236): Plugin->get()
#2 /var/www/html/main/inc/lib/plugin.class.php(95): Plugin->getSettingsForm()
#3 /var/www/html/plugin/courseblock/plugin.php(4): Plugin->get_info()
#4 /var/www/html/main/inc/lib/plugin.lib.php(563): require('...')
#5 /var/www/html/main/inc/lib/template.lib.php(976): AppPlugin->getPluginInfo()
#6 /var/www/html/main/inc/lib/template.lib.php(260): Template->set_plugin_region()
#7 /var/www/html/main/inc/lib/userportal.lib.php(28): Template->__construct()
#8 /var/www/html/index.php(29): IndexManager->__construct()
#9 {main}
thrown in /var/www/html/main/inc/lib/UnserializeApi.php on line 112