[Plugin: Custom Field Template] notice or warning

This notice is shown in wp_debug mode in a simple form metabox attached to post

Notice: Undefined index: post_type in /Applications/MAMP/htdocs/wp_toto/wp-content/plugins/custom-field-template/custom-field-template.php on line 2358

All other thinks works…

http://ww.wp.xz.cn/extend/plugins/custom-field-template/