d2eedff4e199a570feb06e37030b631b *sci2002-04-10d3t02.shn 93497f9a5dd8d4bdb3175caeb0b4c5dd *sci2002-04-10d3t01.shn 2ef5fd9d5d4f92643f28db42b2028193 *sci2002-04-10d3t03.shn 4470ec5ad445ea1d30ca91b670b095a9 *sci2002-04-10d3t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned