( ! ) Fatal error: Uncaught TypeError: ltrim(): Argument #1 ($string) must be of type string, WP_Error given in C:\wamp64\kb-dl\wp-includes\formatting.php on line 4496
( ! ) TypeError: ltrim(): Argument #1 ($string) must be of type string, WP_Error given in C:\wamp64\kb-dl\wp-includes\formatting.php on line 4496
Call Stack
#	Time	Memory	Function	Location
1	0.0003	377392	{main}( )	...\index.php:0
2	0.0004	377752	require( 'C:\wamp64\kb-dl\wp-blog-header.php )	...\index.php:17
3	7.2047	9624856	require_once( 'C:\wamp64\kb-dl\wp-includes\template-loader.php )	...\wp-blog-header.php:19
4	7.2048	9624856	do_action( $hook_name = 'template_redirect' )	...\template-loader.php:23
5	7.2049	9625232	WP_Hook->do_action( $args = [0 => ''] )	...\plugin.php:522
6	7.2049	9625232	WP_Hook->apply_filters( $value = '', $args = [0 => ''] )	...\class-wp-hook.php:365
7	7.2114	9626456	manual_doc_redirect_post( '' )	...\class-wp-hook.php:341
8	7.2180	9629584	esc_url( $url = class WP_Error { public $errors = ['invalid_term' => [...]]; public $error_data = []; protected $additional_data = [] }, $protocols = ???, $_context = ??? )	...\hook.php:717
9	7.2180	9629584	ltrim( $string = class WP_Error { public $errors = ['invalid_term' => [...]]; public $error_data = []; protected $additional_data = [] } )	...\formatting.php:4496