Was looking at the apache error logs and keep seeing this.

[Fri Aug 26 13:44:44.148360 2016] [:error] [pid 7759] [client 129.46.71.218:64087] PHP Warning:  Invalid argument supplied for foreach() in /opt/observium/html/includes/status-summary.inc.php on line 166

Should I be concerned?

Thanks,
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Leo Dano