500 Internal Server Error

file_get_contents(https://cla.construlita.com/api/public/projects): failed to open stream: HTTP request failed! HTTP/1.1 400 Bad Request (2)

#0 [internal function]: flight\Engine->handleError(2, 'file_get_conten...', '/home/construli...', 96, Array)
#1 /home/construlita/construlita/public/construlita-lighting-awards/index.php(96): file_get_contents('https://cla.con...')
#2 /home/construlita/construlita/public/construlita-lighting-awards/libraries/flight/core/Dispatcher.php(160): {closure}()
#3 /home/construlita/construlita/public/construlita-lighting-awards/libraries/flight/core/Dispatcher.php(143): flight\core\Dispatcher::callFunction(Object(Closure), Array)
#4 /home/construlita/construlita/public/construlita-lighting-awards/libraries/flight/Engine.php(311): flight\core\Dispatcher::execute(Object(Closure), Array)
#5 /home/construlita/construlita/public/construlita-lighting-awards/libraries/flight/core/Dispatcher.php(191): flight\Engine->_start()
#6 /home/construlita/construlita/public/construlita-lighting-awards/libraries/flight/core/Dispatcher.php(142): flight\core\Dispatcher::invokeMethod(Array, Array)
#7 /home/construlita/construlita/public/construlita-lighting-awards/libraries/flight/core/Dispatcher.php(48): flight\core\Dispatcher::execute(Array, Array)
#8 /home/construlita/construlita/public/construlita-lighting-awards/libraries/flight/Engine.php(64): flight\core\Dispatcher->run('start', Array)
#9 /home/construlita/construlita/public/construlita-lighting-awards/libraries/flight/core/Dispatcher.php(191): flight\Engine->__call('start', Array)
#10 /home/construlita/construlita/public/construlita-lighting-awards/libraries/flight/Flight.php(76): flight\core\Dispatcher::invokeMethod(Array, Array)
#11 /home/construlita/construlita/public/construlita-lighting-awards/index.php(4461): Flight::__callStatic('start', Array)
#12 {main}