( ! ) Fatal error: Uncaught Error: Call to undefined function wp_check_post_lock() in C:\wamp64\www\OpticonSite\wp-content\themes\Avada\includes\lib\inc\fusion-app\class-fusion-app.php on line 2339
( ! ) Error: Call to undefined function wp_check_post_lock() in C:\wamp64\www\OpticonSite\wp-content\themes\Avada\includes\lib\inc\fusion-app\class-fusion-app.php on line 2339
Call Stack
#	Time	Memory	Function	Location
1	0.0001	452448	{main}( )	...\index.php:0
2	0.0003	453744	require( 'C:\wamp64\www\OpticonSite\wp-blog-header.php )	...\index.php:17
3	1.6050	88718160	require_once( 'C:\wamp64\www\OpticonSite\wp-includes\template-loader.php )	...\wp-blog-header.php:19
4	1.6758	88822608	include( 'C:\wamp64\www\OpticonSite\wp-content\themes\Avada\includes\lib\inc\fusion-app\templates\front-customize.php )	...\template-loader.php:106
5	1.6759	88822656	do_action( $hook_name = 'wp_enqueue_scripts' )	...\front-customize.php:27
6	1.6759	88822872	WP_Hook->do_action( $args = [0 => ''] )	...\plugin.php:517
7	1.6759	88822872	WP_Hook->apply_filters( $value = '', $args = [0 => ''] )	...\class-wp-hook.php:348
8	1.6995	89336864	Fusion_App->live_scripts( $hook = '' )	...\class-wp-hook.php:324
9	2.3690	95999880	Fusion_App->get_post_lock_data( $post_id = ???, $takeover = ??? )	...\class-fusion-app.php:1681