( ! ) Fatal error: Unknown: Cannot use output buffering in output buffering display handlers in Unknown on line 0
Call Stack
#	Time	Memory	Function	Location
1	1.1481	41077952	shutdown_action_hook( )	.../load.php:0
2	1.1481	41078000	do_action( )	.../load.php:1072
3	1.1481	41079088	WP_Hook->do_action( )	.../plugin.php:484
4	1.1481	41079184	WP_Hook->apply_filters( )	.../class-wp-hook.php:316
5	1.1481	41080336	call_user_func_array:{/home/users/1/kiln/web/kilnrestaurant.jp/wp/wp-includes/class-wp-hook.php:292} ( )	.../class-wp-hook.php:292
6	1.1481	41080704	wp_ob_end_flush_all( )	.../class-wp-hook.php:292
7	1.1481	41080848	ob_end_flush ( )	.../functions.php:4757
8	1.1482	41115304	autoptimize_end_buffering( )	.../functions.php:4757
9	1.1517	41244032	autoptimizeStyles->minify( )	.../autoptimize.php:266
10	1.1518	41303744	autoptimizeStyles::fixurls( )	.../autoptimizeStyles.php:186
11	1.1518	41304216	preg_replace ( )	.../autoptimizeStyles.php:583