Home › Forums › Basel support forum › Error message: Warning: array_filter() expects parameter 1 to be array › Reply To: Error message: Warning: array_filter() expects parameter 1 to be array February 8, 2018 at 11:10 pm #38497 martParticipant It was actually a problem with WooCommerce Memberships. They’ve issued an update after I reported this. We can close this thread now. Thanks
