( ! ) Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, string given in /var/www/vhosts/web7.host.knuba.de/html/stefan-brunner.com/wp-content/plugins/facebook-button-plugin/facebook-button-plugin.php on line 852
( ! ) TypeError: in_array(): Argument #2 ($haystack) must be of type array, string given in /var/www/vhosts/web7.host.knuba.de/html/stefan-brunner.com/wp-content/plugins/facebook-button-plugin/facebook-button-plugin.php on line 852
Call Stack
#	Time	Memory	Function	Location
1	0.0005	361432	{main}( )	.../index.php:0
2	0.0007	362112	require( '/var/www/vhosts/web7.host.knuba.de/html/stefan-brunner.com/wp-blog-header.php )	.../index.php:17
3	0.2016	4365056	require_once( '/var/www/vhosts/web7.host.knuba.de/html/stefan-brunner.com/wp-includes/template-loader.php )	.../wp-blog-header.php:19
4	0.2087	4399744	include( '/var/www/vhosts/web7.host.knuba.de/html/stefan-brunner.com/wp-content/themes/sydney/single.php )	.../template-loader.php:106
5	0.2087	4399744	get_header( $name = ???, $args = ??? )	.../single.php:8
6	0.2087	4400120	locate_template( $template_names = [0 => 'header.php'], $load = TRUE, $load_once = TRUE, $args = [] )	.../general-template.php:48
7	0.2087	4400248	load_template( $_template_file = '/var/www/vhosts/web7.host.knuba.de/html/stefan-brunner.com/wp-content/themes/sydney/header.php', $load_once = TRUE, $args = [] )	.../template.php:745
8	0.2088	4400824	require_once( '/var/www/vhosts/web7.host.knuba.de/html/stefan-brunner.com/wp-content/themes/sydney/header.php )	.../template.php:810
9	0.2091	4401576	wp_head( )	.../header.php:17
10	0.2091	4401576	do_action( $hook_name = 'wp_head' )	.../general-template.php:3064
11	0.2091	4401952	WP_Hook->do_action( $args = [0 => ''] )	.../plugin.php:517
12	0.2091	4401952	WP_Hook->apply_filters( $value = '', $args = [0 => ''] )	.../class-wp-hook.php:348
13	0.2491	5138744	Yoast\WP\SEO\Integrations\Front_End_Integration->call_wpseo_head( '' )	.../class-wp-hook.php:324
14	0.2492	5138744	do_action( $hook_name = 'wpseo_head' )	.../front-end-integration.php:389
15	0.2492	5139120	WP_Hook->do_action( $args = [0 => ''] )	.../plugin.php:517
16	0.2492	5139120	WP_Hook->apply_filters( $value = '', $args = [0 => ''] )	.../class-wp-hook.php:348
17	0.2492	5139872	Yoast\WP\SEO\Integrations\Front_End_Integration->present_head( '' )	.../class-wp-hook.php:324
18	0.2543	5172752	Yoast\WP\SEO\Presenters\Abstract_Indexable_Tag_Presenter->present( )	.../front-end-integration.php:418
19	0.2543	5172752	Yoast\WP\SEO\Presenters\Open_Graph\Description_Presenter->get( )	.../abstract-indexable-tag-presenter.php:37
20	0.2543	5172760	Yoast\WP\SEO\Presentations\Abstract_Presentation->__get( $name = 'open_graph_description' )	.../description-presenter.php:33
21	0.2543	5172816	Yoast\WP\SEO\Presentations\Indexable_Post_Type_Presentation->generate_open_graph_description( )	.../abstract-presentation.php:66
22	0.2543	5172896	Yoast\WP\SEO\Helpers\Post_Helper->get_the_excerpt( $post_id = 469 )	.../indexable-post-type-presentation.php:196
23	0.2543	5172896	get_the_excerpt( $post = 469 )	.../post-helper.php:83
24	0.2543	5173344	apply_filters( $hook_name = 'get_the_excerpt', $value = '', ...$args = variadic(class WP_Post { public $ID = 469; public $post_author = '1'; public $post_date = '2014-11-15 14:44:16'; public $post_date_gmt = '2014-11-15 13:44:16'; public $post_content = ''; public $post_title = 'Australia_03'; public $post_excerpt = ''; public $post_status = 'inherit'; public $comment_status = 'open'; public $ping_status = 'closed'; public $post_password = ''; public $post_name = 'australia_03'; public $to_ping = ''; public $pinged = ''; public $post_modified = '2014-11-15 14:44:16'; public $post_modified_gmt = '2014-11-15 13:44:16'; public $post_content_filtered = ''; public $post_parent = 466; public $guid = 'http://fotografie.stefan-brunner.com/wp-content/uploads/Australia_03.jpg'; public $menu_order = 0; public $post_type = 'attachment'; public $post_mime_type = 'image/jpeg'; public $comment_count = '0'; public $filter = 'raw' }) )	.../post-template.php:436
25	0.2543	5173752	WP_Hook->apply_filters( $value = '', $args = [0 => '', 1 => class WP_Post { public $ID = 469; public $post_author = '1'; public $post_date = '2014-11-15 14:44:16'; public $post_date_gmt = '2014-11-15 13:44:16'; public $post_content = ''; public $post_title = 'Australia_03'; public $post_excerpt = ''; public $post_status = 'inherit'; public $comment_status = 'open'; public $ping_status = 'closed'; public $post_password = ''; public $post_name = 'australia_03'; public $to_ping = ''; public $pinged = ''; public $post_modified = '2014-11-15 14:44:16'; public $post_modified_gmt = '2014-11-15 13:44:16'; public $post_content_filtered = ''; public $post_parent = 466; public $guid = 'http://fotografie.stefan-brunner.com/wp-content/uploads/Australia_03.jpg'; public $menu_order = 0; public $post_type = 'attachment'; public $post_mime_type = 'image/jpeg'; public $comment_count = '0'; public $filter = 'raw' }] )	.../plugin.php:205
26	0.2543	5174880	wp_trim_excerpt( $text = '', $post = class WP_Post { public $ID = 469; public $post_author = '1'; public $post_date = '2014-11-15 14:44:16'; public $post_date_gmt = '2014-11-15 13:44:16'; public $post_content = ''; public $post_title = 'Australia_03'; public $post_excerpt = ''; public $post_status = 'inherit'; public $comment_status = 'open'; public $ping_status = 'closed'; public $post_password = ''; public $post_name = 'australia_03'; public $to_ping = ''; public $pinged = ''; public $post_modified = '2014-11-15 14:44:16'; public $post_modified_gmt = '2014-11-15 13:44:16'; public $post_content_filtered = ''; public $post_parent = 466; public $guid = 'http://fotografie.stefan-brunner.com/wp-content/uploads/Australia_03.jpg'; public $menu_order = 0; public $post_type = 'attachment'; public $post_mime_type = 'image/jpeg'; public $comment_count = '0'; public $filter = 'raw' } )	.../class-wp-hook.php:324
27	0.2545	5173408	apply_filters( $hook_name = 'the_content', $value = '' )	.../formatting.php:3965
28	0.2545	5173816	WP_Hook->apply_filters( $value = '', $args = [0 => ''] )	.../plugin.php:205
29	0.2562	5159512	fcbkbttn_display_button( $content = '<p class="attachment"><a href=\'https://stefan-brunner.com/wp-content/uploads/Australia_03.jpg\'><img width="300" height="199" src="https://stefan-brunner.com/wp-content/uploads/Australia_03-300x199.jpg" class="attachment-medium size-medium" alt="" srcset="https://stefan-brunner.com/wp-content/uploads/Australia_03-300x199.jpg 300w, https://stefan-brunner.com/wp-content/uploads/Australia_03-1024x680.jpg 1024w, https://stefan-brunner.com/wp-content/uploads/Australia_03-1280x850.jpg 1280w, https://stefan-brunner'... )	.../class-wp-hook.php:324
30	0.2563	5160024	in_array( $needle = 'before', $haystack = 'shortcode' )	.../facebook-button-plugin.php:852