Im not entirely sure about this as Im still getting the error and on more than one browser.
Also, after updating the plugin Im getting this other error.
[Tue Oct 27 15:23:42 2015] [error] [client 109.151.122.189] WordPress database error Table ‘wp_nohaliahq.wp_11_icl_translations’ doesn’t exist for query \r\n\t\t\t\tSELECT language_code\r\n\t\t\t\tFROM wp_11_icl_translations\r\n\t\t\t\tWHERE\r\n\t\t\t\telement_type = ‘post_coreagle’ AND\r\n\t\t\t\telement_id = 25 /* From [manual.nohaliahq.wpengine.com/wp-admin/post.php] in [/nas/wp/www/cluster-10773/nohaliahq/wp-content/plugins/ajax-search-pro/includes/etc/indextable.class.php:909] */ made by edit_post, wp_update_post, wp_insert_post, do_action(‘save_post’), call_user_func_array, asp_update_index_table, asp_indexTable->indexDocument, asp_indexTable->insertTokensToDB, asp_indexTable->langcode_post_id, referer: http://manual.nohaliahq.wpengine.com/wp-admin/post.php?post=25&action=edit
If I deactivate the plugin both errors disappear.