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<b style=”font-family: Times;font-size: medium;line-height: normal”>Fatal error</b><span style=”font-family: Times;font-size: medium;line-height: normal”>: Call to undefined function is_customize_preview() in </span><b style=”font-family: Times;font-size: medium;line-height: normal”>/users/xxxx/xxxx/xxx/xxxxx.pl/wp-content/themes/kleo/lib/options.php</b><span style=”font-family: Times;font-size: medium;line-height: normal”> on line </span><b style=”font-family: Times;font-size: medium;line-height: normal”>2407</b>
is_customize_preview is a built in wordpress function that was introduced in WP 4.0.0. Several plugins (Visual Composer, Woocommerce, WordPress SEO to name a few) utilize it. What version of wordpress are you running?
Hi there!!! Help others from the community and mark any reply as solution if it solved your question. Mark as a solutionThis support site is not about custom work. If you need custom development please contact cornel@seventhqueen.com
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