ad853aad9aeab82bd80e7b43deb600b1 *db2002-12-30d4t01.shn 4a0743351f8c4e35ecd91735adbee83a *db2002-12-30d4t02.shn 91eaa788a0fc9741c4cf2c71eeb44c34 *db2002-12-30d4t03.shn cf30875b4558f100b58023eddee48905 *db2002-12-30d4t04.shn efa350976bf30a6b198a4f52f63d725f *db2002-12-30d4t05.shn 3e21cc2eb8263a201c5c03169dbec300 *db2002-12-30d4t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned