835e8553a123342c58329aad113aacb1 *db1999-04-17d1t01.shn c82bfa6e496a1ae687b8432a7d6d291e *db1999-04-17d1t02.shn 443c8020d5d548e35d5c344d71f20476 *db1999-04-17d1t03.shn dd0d6ab7fe9e41a01e022523cae23e8e *db1999-04-17d1t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned