291579c08e479b9dc86256ad80de76e3 *db2003-07-23d3t01.shn 98ec955dc7ec6cfb1ccd911ffe659e3b *db2003-07-23d3t02.shn 8b816f636c00bc1293c6a33eaf9d89ce *db2003-07-23d3t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned