PHP Warning: Invalid argument supplied for foreach

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Hello,

Today I gout this below error message when I used Codon theme:

[Thu Dec 15 05:26:20.697968 2016] [:error] [pid 3895] [client 88.198.25.244:60898] FastCGI: server "/var/www/cgi-bin/php5-fcgi-104.236.209.45-80-blogginger.com" stderr: PHP message: PHP Warning: Invalid argument supplied for foreach() in /var/www/web/wp-content/themes/codon/inc/template-tags.php on line 457

Please investigate this issue.

Thank you!