( ! ) Fatal error: Call to undefined function twentyfourteen_post_thumbnail() in /home/users/2/remar5/web/kokuwaryutsu/wp-content/themes/kokuwa/content-page.php on line 14
Call Stack
#	Time	Memory	Function	Location
1	0.0001	220448	{main}( )	.../index.php:0
2	0.0002	223040	require( '/home/users/2/remar5/web/kokuwaryutsu/wp-blog-header.php' )	.../index.php:17
3	0.3545	46125608	require_once( '/home/users/2/remar5/web/kokuwaryutsu/wp-includes/template-loader.php' )	.../wp-blog-header.php:19
4	0.3566	46151200	include( '/home/users/2/remar5/web/kokuwaryutsu/wp-content/themes/kokuwa/page.php' )	.../template-loader.php:106
5	0.3832	46513904	get_template_part( )	.../page.php:25
6	0.3832	46515104	locate_template( )	.../general-template.php:204
7	0.3832	46515248	load_template( )	.../template.php:676
8	0.3835	46534104	require( '/home/users/2/remar5/web/kokuwaryutsu/wp-content/themes/kokuwa/content-page.php' )	.../template.php:732