there is a conflict between ckeditor plugin and page builder , how can i solve t

recently my page builder (by SiteOrigin) disappeared unknowingly till i deactivate ckeditor plugin , it appeared again, i need both editor tools, how can i solve this problem ? i use wordpress 3.9.1

https://wordpress.org/plugins/siteorigin-panels/

https://wordpress.org/plugins/ckeditor-for-wordpress/