09eeb91eb2e42612cbdf6adc6efd9a6a *db2003-04-22d1t01.shn 22b98ea7b180f863f3ee6a0084569c9e *db2003-04-22d1t02.shn 62d6f8b1b1bf942d8af8c157da1fd8ba *db2003-04-22d1t03.shn 36c89509776b02712c7dc34a9d9a26bb *db2003-04-22d1t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned