https://github.com/jazzsequence/museum-core/blob/master/inc/theme-options.php#L717 ^^ on this line we assume that $value is an array with 'favicon' as a key, but that's not the case. $value is a url string.
https://github.com/jazzsequence/museum-core/blob/master/inc/theme-options.php#L717
^^ on this line we assume that $value is an array with 'favicon' as a key, but that's not the case. $value is a url string.