538647b39258f29065b459d3fbc18e54 *sci010220d1t1.wav 808cecca979f3916fcafb9f3fb0b55af *sci010220d1t2.wav b10904da30b95cdfa1835cebe00505be *sci010220d1t3.wav d387a5f57186a5ee1bbfe1c9430d46e7 *sci010220d1t4.wav a2ca4d44107762b315168889a73a16a1 *sci010220d1t5.wav 2f9acb9441f18c490998a38e52887f36 *sci010220d1t6.wav a5b7b882cf5a9a34753ecbb56830b2c1 *sci010220d1t7.wav App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned