( ! ) Fatal error: Call to undefined function twentyfourteen_post_thumbnail() in /home/sites/heteml/users/r/e/m/remar5/web/kokuwaryutsu/wp-content/themes/kokuwa/content-page.php on line 14
Call Stack
#	Time	Memory	Function	Location
1	0.0003	218320	{main}( )	.../index.php:0
2	0.0005	219184	require( '/home/sites/heteml/users/r/e/m/remar5/web/kokuwaryutsu/wp-blog-header.php' )	.../index.php:17
3	0.9719	10207384	require_once( '/home/sites/heteml/users/r/e/m/remar5/web/kokuwaryutsu/wp-includes/template-loader.php' )	.../wp-blog-header.php:19
4	0.9972	10219736	include( '/home/sites/heteml/users/r/e/m/remar5/web/kokuwaryutsu/wp-content/themes/kokuwa/page.php' )	.../template-loader.php:106
5	1.0382	10575472	get_template_part( )	.../page.php:25
6	1.0382	10576616	locate_template( )	.../general-template.php:204
7	1.0382	10576784	load_template( )	.../template.php:676
8	1.0435	10590136	require( '/home/sites/heteml/users/r/e/m/remar5/web/kokuwaryutsu/wp-content/themes/kokuwa/content-page.php' )	.../template.php:732