40602be5cc998bcb2c057a400c3ad07f *gd1993-09-09d3t01.shn a3a87f93647e25b430617f692f3110f0 *gd1993-09-09d3t02.shn 3b9363d266320fff1d9fa229ff1744de *gd1993-09-09d3t03.shn fede8cd6eeb31a006e25d07cbec4bc23 *gd1993-09-09d3t04.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned