94e4e9fdabd24142a6e8cb8a49e831a1 *sci2003-08-02d5t04.shn c474d20613d77ed27fea7cf70c457736 *sci2003-08-02d5t02.shn b05f638b9482bafb51292e78d881713e *sci2003-08-02d5t03.shn 930ad827634c0410e649d2edb107f909 *sci2003-08-02d5t01.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned