Error messages both in dashboard and on the product page

idem

I’m geting the exact same error on a new install. Also, Quick edit whipes out all bundle setting.

To fix the first error open file wc-product-bundles/wcpb.php and near line 38 you will replace the function init() and add a new function so it looks like this:

function init() {	
            
                add_action( 'wp_enqueue_scripts', $this, 'wcpb_enqueue_scripts' );
		
		load_plugin_textdomain( 'wc-product-bundles', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );
		$this->wcpb_includes();		
	}
        
        function wcpb_enqueue_scripts() {
            if( is_admin()) {
			if( $_REQUEST["action"] == 'edit' || $_REQUEST["post_type"] == "product" ) {
				wp_register_script( 'wcpb-script', $this->settings['dir'] . "assets/js/wcpb.js", 'jquery', $this->settings['version'] );
				wp_register_style( 'wcpb-style', $this->settings['dir'] . 'assets/css/wcpb-admin.css' );
				wp_enqueue_style( 'wcpb-style' );
				wp_enqueue_script( 'wcpb-script' );
			}
		} else {
			wp_register_style( 'wcpb-style', $this->settings['dir'] . 'assets/css/wcpb-front-end.css' );
			wp_enqueue_style( 'wcpb-style' );
		}
        }

To fix the second error open the file wc-product-bundles/wcpb.php near line 20 the function wcpb_add_product_bundle_type() simply remove the $ptype variable, it’s not being used.

So it’ll look like this:

function wcpb_add_product_bundle_type( $ptypes ) {
		$ptypes['wcpb'] = __( 'Bundled', 'wc-product-bundles' );
		return $ptypes;
	}

Alternatively, you can keep the variable and do it like this:

function wcpb_add_product_bundle_type( $ptypes, $ptype=array() ) {
		$ptypes['wcpb'] = __( 'Bundled', 'wc-product-bundles' );
		return $ptypes;
	}

After implementing the code above it fixed the errors I was getting on the backend. Now I get an error on the front end:
Warning: call_user_func_array() expects parameter 1 to be a valid callback, no array or string given in /home/kbvega5/public_html/ifbh/wp-includes/plugin.php on line 524