Describe the bug

When we brows to graph_view.php?action=tree from another tab we are showed the error "Action failed Sorry, we could not process your last action. Save Failed due to field input errors (Check red fields)."

To Reproduce

Steps to reproduce the behavior:

1. Go to 'http://url_cacti/cacti/index.php'

2. Click on 'Graphs'

3. See error

Expected behavior

Don't see any error message.

Screenshots

Desktop (please complete the following information)

• OS: Windows 10

• Browser Chrome, Firefox, Edge

• Version Lastone

Additional context

The problem appeared after updating cacti from version 1.2.15 to 1.2.23 in CentOS 7 (3.10.0-1160.el7.x86_64)