c4a84bc8293e4ec2dcca234b5ee255e4 *tdb01-12-28d02t01.shn a1f1c331be2b80eec74e42f775b82905 *tdb01-12-28d02t02.shn 3c2c8efba8506b885524a7bd62c22e77 *tdb01-12-28d02t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned