f85c553257140b4c83e6af5d086bb950 *kdtu00-04-08d2t01.shn 19978aa89048119337fd31ea20841d81 *kdtu00-04-08d2t02.shn f1d2dfa623074e82b04c134c5e535a33 *kdtu00-04-08d2t03.shn cf55c3131e314c2d977c3d2375bf351a *kdtu00-04-08d2t04.shn 683408d8f3033b5c5a1f4e8849bcd481 *kdtu00-04-08d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned