235549ea2e5655e34d529a1173e01a5b *particle2003-03-06d3t01.shn 54da45ba3f379ad7a7dc486aa3fbd010 *particle2003-03-06d3t02.shn 47738fad9da42b73b3a04b2bbf847bda *particle2003-03-06d3t03.shn 9ca5b7064a1753098868cd277e5cb7a9 *particle2003-03-06d3t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned