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Home Forums Backend Issues (wp-admin) Restrict meta value to only be assigned once Reply To: Restrict meta value to only be assigned once

  • In the last function there is a query that checks to see if there is an existing post with a value. You should be able to modify that query to include a tax_query. The problem here is that ACF will not pass the taxonomy/term value for the post during the validation AJAX request unless there is a taxonomy field that is part of the field group.