Description of problem:
DNF upgrade of the rpm is ok.
But when accessing the cacti webpage, it display error for the installer.

Version-Release number of selected component (if applicable):
Fedora 31, cacti 1.2.10

Error message:

Cacti Server v1.2.10 - Installation Wizard
Initializing

Please wait while the installation system for Cacti Version 1.2.10 initializes. You must have JavaScript enabled for this to work.
Copyright (C) 2004-2020 The Cacti Group
Action failed
Sorry, we could not process your last action.
Error:
200 OK
Reason:

Notice: Undefined index: name in /usr/share/cacti/lib/installer.php on line 1079

Notice: Undefined index: name in /usr/share/cacti/lib/installer.php on line 1080

Notice: Undefined index: name in /usr/share/cacti/lib/installer.php on line 1081

Notice: Undefined index: name in /usr/share/cacti/lib/installer.php on line 1088
{"Mode":3,"Step":"1","Errors":[],"Eula":"","Prev":{"Text":"Previous","Step":0,"Enabled":false,"Visible":true},"Next":{"Text":"Begin","Step":2,"Enabled":false,"Visible":true},"Test":{"Text":"Test Connection","Step":-4,"Enabled":true,"Visible":false},"Theme":"modern","StepData":{"Eula":"","Theme":"modern","Language":"en-US"},"Html":"
Cacti Version 1.2.10 - License Agreement<\/h2>

Thanks for taking the time to download and install Cacti, the complete graphing solution for your network. Before you can start making cool graphs, there are a few pieces of data that Cacti needs to know.<\/p>

Make sure you have read and followed the required steps needed to install Cacti before continuing. Install information can be found for Unix<\/a> and Win32<\/a>-based operating systems.<\/p>

NOTE:<\/span>This process will guide you through the steps for upgrading from version '1.2.9'. <\/span><\/p>

Also, if this is an upgrade, be sure to read the Upgrade<\/a> information file.<\/p>

Cacti is licensed under the GNU General Public License, you must agree to its provisions before continuing:<\/p>

This program is free software; you can redistribute it and\/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.<\/p>

Select default theme:
Accept GPL License Agreement<\/label><\/span>\nen-US == ar-SA [Arabic]\n