b6372a0a977111f280c8a9d9c9e128ba [shntool] gd69-05-16d1t01.shn 2f09bc27e780ba7dc2e44a4ddc8d8260 [shntool] gd69-05-16d1t02.shn f22832dc3ad771d8a551a3253e49c5e4 [shntool] gd69-05-16d1t03.shn 3af5ab23a4a0e5f537041caf7cad3ed5 [shntool] gd69-05-16d1t04.shn c12b48fe2852770f5823364cd80e68cb [shntool] gd69-05-16d1t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned