My guess then would have to be that there is some type of conflict. Do you have any other plugins installed that have similar features? You first step is going to be to deactivate other plugins and find where the conflict is.
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ACF wouldn’t be so widely used in WordPress if it didn’t have some pretty amazing capabilities. In this article, we look at a few of the features we’ll discuss during “7 things you didn’t know you could do with ACF” at #WPEDecode later this month. https://t.co/5lnsTxp81jpic.twitter.com/Yf0ThPG1QG