Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /code/learningcloud/php-production/framework/core/Nav.core.php:154
Stack trace:
#0 /code/learningcloud/php-production/framework/core/Nav.core.php(154): count()
#1 /code/learningcloud/php-production/framework/core/Nav.core.php(155): Framework\Nav->_deleteHidden()
#2 /code/learningcloud/php-production/framework/core/Nav.core.php(126): Framework\Nav->_deleteHidden()
#3 /code/learningcloud/php-production/framework/core/Framework.core.php(238): Framework\Nav->setView()
#4 /code/learningcloud/php-production/LearningCloud.php(264): Framework\Framework->init()
#5 /code/learningcloud/php-production/public/index.php(16): Framework\LearningCloud->init()
#6 {main}
thrown in /code/learningcloud/php-production/framework/core/Nav.core.php on line 154