pkirkHow to reproduce here:
- install plugin
- activate
- Settings
- Add new input box
- Give a title and Save
- click on the newly added, on "Edit"
- Add new field
- give a field title
- give a "Custom field key"
- Save
Warning: array_key_exists() [function.array-key-exists]: The second argument should be either an array or an object in /home/paolog/public_html/voce/wp-content/plugins/more-fields/more-plugins/more-plugins-admin.php on line 303
