1d97dc461c1e2abdb63df48cd51341cd *sci2001-04-13d3t03.shn 66089633eec3899060573abcb25d34b6 *sci2001-04-13d3t02.shn b2a8522c823b9a0a9e69c95e75481920 *sci2001-04-13d3t01.shn 0190afb96c0799c2091cdbb80e16dcc9 *sci2001-04-13d3t04.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned