C3500XL No traffic data

Validate Results:
./validate.php

Component Version
LibreNMS 1.48.1-25-g21192a9cf
DB Schema 2019_01_16_195644_add_vrf_id_and_bgpLocalAs (131)
PHP 7.0.33-0+deb9u1
MySQL 10.1.37-MariaDB-0+deb9u1
RRDTool 1.6.0
SNMP NET-SNMP 5.7.3

====================================

[OK] Composer Version: 1.8.4
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database schema correct
[WARN] Your install is over 24 hours out of date, last update: Fri, 08 Feb 2019 14:17:29 +0000
[FIX]:
Make sure your daily.sh cron is running and run ./daily.sh by hand to see if there are any errors.
[WARN] You are on the PHP 5.6/7.0 support branch, this will prevent automatic updates.
[FIX]:
Update to PHP 7.1.3 or newer (PHP 7.2 recommended) to continue to receive updates.
[FAIL] You need to run this script as root or librenms
pi@netops:/opt/librenms $

I only have two devices that I am currently monitoring.

A Cisco C3500XL switch and an HP ProCurve Switch.

The HP ProCurve Switch behaves as expected, showing Traffic Graphs. The Cisco polls, shows the ports, but no graphs, no traffic data.

Ideas?