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Posted by: Agi Anderson, ePro in on March 16th, 2016
idwas set in the arguments array for the "Left Sidebar" sidebar. Defaulting to "sidebar-1". Manually set the
idto "sidebar-1" to silence this notice and keep existing sidebar content. Please see Debugging in WordPress for more information. (This message was added in version 4.2.0.) in /home/content/68/10155468/html/wp-includes/functions.php on line 3897