d1d3224dbe05553fc46e6ad0bd24b952 *particle2003-03-29d1t01.shn a88087a5bf6ebcef2bc86911ffebcca6 *particle2003-03-29d1t02.shn 31422744e14ad1e61baba782e8744735 *particle2003-03-29d1t03.shn f8f22d29d2af8939112b2a3667e550cd *particle2003-03-29d1t04.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned