500 Internal Server Error

file_put_contents(): Only 0 of 596 bytes written, possibly out of free disk space (2)

#0 [internal function]: flight\Engine->handleError(2, 'file_put_conten...', '/home/studiosm/...', 22, Array)
#1 /home/studiosm/public_html/tupmovie.com/inc/cache.php(22): file_put_contents('cache/data/getp...', '{"cast":[{"adul...')
#2 /home/studiosm/public_html/tupmovie.com/inc/tmdb.php(88): Cache->set_cache('getpeoplemovies...', '{"cast":[{"adul...')
#3 /home/studiosm/public_html/tupmovie.com/router.php(241): TMDB->getPeopleMovies('2099049', 1)
#4 /home/studiosm/public_html/tupmovie.com/vendor/mikecao/flight/flight/core/Dispatcher.php(173): {closure}('alice-julius-sc...', '2099049', 1)
#5 /home/studiosm/public_html/tupmovie.com/vendor/mikecao/flight/flight/core/Dispatcher.php(145): flight\core\Dispatcher::callFunction(Object(Closure), Array)
#6 /home/studiosm/public_html/tupmovie.com/vendor/mikecao/flight/flight/Engine.php(340): flight\core\Dispatcher::execute(Object(Closure), Array)
#7 /home/studiosm/public_html/tupmovie.com/vendor/mikecao/flight/flight/core/Dispatcher.php(198): flight\Engine->_start()
#8 /home/studiosm/public_html/tupmovie.com/vendor/mikecao/flight/flight/core/Dispatcher.php(144): flight\core\Dispatcher::invokeMethod(Array, Array)
#9 /home/studiosm/public_html/tupmovie.com/vendor/mikecao/flight/flight/core/Dispatcher.php(49): flight\core\Dispatcher::execute(Array, Array)
#10 /home/studiosm/public_html/tupmovie.com/vendor/mikecao/flight/flight/Engine.php(92): flight\core\Dispatcher->run('start', Array)
#11 /home/studiosm/public_html/tupmovie.com/vendor/mikecao/flight/flight/core/Dispatcher.php(198): flight\Engine->__call('start', Array)
#12 /home/studiosm/public_html/tupmovie.com/vendor/mikecao/flight/flight/Flight.php(77): flight\core\Dispatcher::invokeMethod(Array, Array)
#13 /home/studiosm/public_html/tupmovie.com/router.php(304): Flight::__callStatic('start', Array)
#14 /home/studiosm/public_html/tupmovie.com/inc/init.php(9): require('/home/studiosm/...')
#15 /home/studiosm/public_html/tupmovie.com/index.php(3): require('/home/studiosm/...')
#16 {main}