( ! ) Warning: Attempt to read property "display_name" on bool in /usr/www/users/devfmm/wp-content/plugins/wordpress-seo/src/presenters/meta-author-presenter.php on line 40
Call Stack
#TimeMemoryFunctionLocation
10.0002355064{main}( ).../index.php:0
20.0002355376require( '/usr/www/users/devfmm/wp-blog-header.php ).../index.php:17
30.444026080920require_once( '/usr/www/users/devfmm/wp-includes/template-loader.php ).../wp-blog-header.php:19
40.453926357456include( '/usr/www/users/devfmm/wp-content/themes/understrap/page.php ).../template-loader.php:106
50.453926357456get_header( $name = ???, $args = ??? ).../page.php:16
60.453926357456do_action( $hook_name = 'get_header', ...$arg = variadic(NULL, []) ).../general-template.php:38
70.453926357832WP_Hook->do_action( $args = [0 => NULL, 1 => []] ).../plugin.php:476
80.453926357832WP_Hook->apply_filters( $value = '', $args = [0 => NULL, 1 => []] ).../class-wp-hook.php:331
90.453926358960ElementorPro\Modules\ThemeBuilder\Classes\Theme_Support->get_header( $name = NULL ).../class-wp-hook.php:309
100.454026359344require( '/usr/www/users/devfmm/wp-content/plugins/elementor-pro/modules/theme-builder/views/theme-support-header.php ).../theme-support.php:72
110.454126359344wp_head( ).../theme-support-header.php:27
120.454126359344do_action( $hook_name = 'wp_head' ).../general-template.php:3042
130.454126359720WP_Hook->do_action( $args = [0 => ''] ).../plugin.php:476
140.454126359720WP_Hook->apply_filters( $value = '', $args = [0 => ''] ).../class-wp-hook.php:331
150.529928672144Yoast\WP\SEO\Integrations\Front_End_Integration->call_wpseo_head( '' ).../class-wp-hook.php:307
160.530228671648do_action( $hook_name = 'wpseo_head' ).../front-end-integration.php:300
170.530228672024WP_Hook->do_action( $args = [0 => ''] ).../plugin.php:476
180.530228672024WP_Hook->apply_filters( $value = '', $args = [0 => ''] ).../class-wp-hook.php:331
190.530228673152Yoast\WP\SEO\Integrations\Front_End_Integration->present_head( '' ).../class-wp-hook.php:307
200.533528809960Yoast\WP\SEO\Presenters\Meta_Author_Presenter->present( ).../front-end-integration.php:326
210.533528809960Yoast\WP\SEO\Presenters\Abstract_Indexable_Tag_Presenter->present( ).../meta-author-presenter.php:23
220.533528809960Yoast\WP\SEO\Presenters\Meta_Author_Presenter->get( ).../abstract-indexable-tag-presenter.php:37

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