Throws the following Exception
PHP Fatal error: Uncaught Error: Call to a member function getConnection() on null in /[]/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Capsule/Manager.php:74
Stack trace: #0 /[]/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Capsule/Manager.php(200): Illuminate\Database\Capsule\Manager::connection() #1 /[]/lib/pkp/classes/db/DAO.inc.php(94): Illuminate\Database\Capsule\Manager::__callStatic() #2 /[]/lib/pkp/classes/context/ContextDAO.inc.php(77): DAO->retrieveRange() #3 /[]/lib/pkp/tools/parseCitations.php(56): ContextDAO->getAll() #4 /[]/lib/pkp/tools/parseCitations.php(107): CitationsParsingTool->execute() #5 {main}
thrown in /[]/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Capsule/Manager.php on line 74