Warning: Undefined variable $activity in C:\WebServer\htdocs\bookshelf\storage\framework\views\f518529ebb523d59e5f7cba806966bee.php on line 2

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in C:\WebServer\htdocs\bookshelf\storage\framework\views\f518529ebb523d59e5f7cba806966bee.php:2 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\storage\framework\views\f518529ebb523d59e5f7cba806966bee.php on line 2