ae5f752bf8bad5660034d6f473e0f822 *tnd01-01-30d1t1.shn f9ff813d445fcaf8918d5e1c87eff206 *tnd01-01-30d1t2.shn 8bed8938a76f06d48638133fa3fee470 *tnd01-01-30d1t3.shn 457ea65f1c963a8369060a0377751696 *tnd01-01-30d1t4.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned