( ! ) 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	0.0002	220064	{main}( )	.../index.php:0
2	0.0003	222656	require( '/home/users/2/remar5/web/kokuwaryutsu/wp-blog-header.php' )	.../index.php:17
3	1.0010	46542424	require_once( '/home/users/2/remar5/web/kokuwaryutsu/wp-includes/template-loader.php' )	.../wp-blog-header.php:19
4	1.0050	46568048	include( '/home/users/2/remar5/web/kokuwaryutsu/wp-content/themes/kokuwa/page.php' )	.../template-loader.php:106
5	1.0389	46933360	get_template_part( )	.../page.php:25
6	1.0389	46934560	locate_template( )	.../general-template.php:204
7	1.0389	46934704	load_template( )	.../template.php:676
8	1.0392	46953560	require( '/home/users/2/remar5/web/kokuwaryutsu/wp-content/themes/kokuwa/content-page.php' )	.../template.php:732