* Filter if an error occured during the process.
* @since 1.0.0
* @param (bool)     error = false
* @param (array)     post data
* @return (mixed)     false or wp_error object

You can hook into the ticket create process and define, whether an error occured. This filter contains all post data. If no error occured, you should return false otherwise a WP Error Object with more information describing the error. This filter is used by sts_action_ticket_create()