I have the same issue:
Deprecated Required parameter $product_type follows optional parameter $product_id 1
wp-content/plugins/wc-frontend-manager/core/class-wcfm-integrations.php:469
Plugin: wc-frontend-manager
Deprecated Required parameter $product_type follows optional parameter $product_id 1
wp-content/plugins/wc-frontend-manager/core/class-wcfm-integrations.php:524
Plugin: wc-frontend-manager
Deprecated Required parameter $item_price follows optional parameter $variation_id 1
wp-content/plugins/wc-multivendor-marketplace/core/class-wcfmmp-commission.php:1043
Plugin: wc-multivendor-marketplace
Deprecated Required parameter $quantity follows optional parameter $variation_id 1
wp-content/plugins/wc-multivendor-marketplace/core/class-wcfmmp-commission.php:1043
Plugin: wc-multivendor-marketplace
Deprecated Required parameter $commission_rule follows optional parameter $vendor_commission_quantity_rules 1
wp-content/plugins/wc-multivendor-marketplace/core/class-wcfmmp-commission.php:1140
Plugin: wc-multivendor-marketplace
Deprecated Required parameter $term follows optional parameter $product_id 1
wp-content/plugins/wc-multivendor-marketplace/core/class-wcfmmp-vendor.php:3116
Plugin: wc-multivendor-marketplace
Deprecated Required parameter $cart_item follows optional parameter $cart_item_meta 1
wp-content/plugins/wc-multivendor-marketplace/core/class-wcfmmp-frontend.php:239