( ! ) Fatal error: Unknown: Cannot use output buffering in output buffering display handlers in Unknown on line 0
Call Stack
#	Time	Memory	Function	Location
1	1.0029	41077320	shutdown_action_hook( )	.../load.php:0
2	1.0029	41077368	do_action( )	.../load.php:1072
3	1.0029	41078456	WP_Hook->do_action( )	.../plugin.php:484
4	1.0029	41078552	WP_Hook->apply_filters( )	.../class-wp-hook.php:316
5	1.0029	41079704	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	1.0030	41080072	wp_ob_end_flush_all( )	.../class-wp-hook.php:292
7	1.0030	41080216	ob_end_flush ( )	.../functions.php:4757
8	1.0030	41114712	autoptimize_end_buffering( )	.../functions.php:4757
9	1.0058	41243512	autoptimizeStyles->minify( )	.../autoptimize.php:266
10	1.0059	41303216	autoptimizeStyles::fixurls( )	.../autoptimizeStyles.php:186
11	1.0059	41303688	preg_replace ( )	.../autoptimizeStyles.php:583