Plugin bugs

Hello, has anyone encountered these errors? What can it mean and how to fix it?

Software errors
0
type
E_DEPRECATED (8192)
info
Required parameter $product_type follows optional parameter $product_id
file
/home/a0542817/domains/handmadebuy.ru/public_html/wp-content/plugins/wc-frontend-manager/core/class-wcfm-integrations.php
line
469
1
type
E_DEPRECATED (8192)
info
Required parameter $product_type follows optional parameter $product_id
file
/home/a0542817/domains/handmadebuy.ru/public_html/wp-content/plugins/wc-frontend-manager/core/class-wcfm-integrations.php
line
524
2
type
E_DEPRECATED (8192)
info
Required parameter $item_price follows optional parameter $variation_id
file
/home/a0542817/domains/handmadebuy.ru/public_html/wp-content/plugins/wc-multivendor-marketplace/core/class-wcfmmp-commission.php
line
1039
3
type
E_DEPRECATED (8192)
info
Required parameter $quantity follows optional parameter $variation_id
file
/home/a0542817/domains/handmadebuy.ru/public_html/wp-content/plugins/wc-multivendor-marketplace/core/class-wcfmmp-commission.php
line
1039
4
type
E_DEPRECATED (8192)
info
Required parameter $commission_rule follows optional parameter $vendor_commission_quantity_rules
file
/home/a0542817/domains/handmadebuy.ru/public_html/wp-content/plugins/wc-multivendor-marketplace/core/class-wcfmmp-commission.php
line
1136
5
type
E_DEPRECATED (8192)
info
Required parameter $term follows optional parameter $product_id
file
/home/a0542817/domains/handmadebuy.ru/public_html/wp-content/plugins/wc-multivendor-marketplace/core/class-wcfmmp-vendor.php
line
3107
6
type
E_DEPRECATED (8192)
info
Required parameter $cart_item follows optional parameter $cart_item_meta
file
/home/a0542817/domains/handmadebuy.ru/public_html/wp-content/plugins/wc-multivendor-marketplace/core/class-wcfmmp-frontend.php
line
239
7
type
E_DEPRECATED (8192)
info
Required parameter $product_type follows optional parameter $product_id
file
/home/a0542817/domains/handmadebuy.ru/public_html/wp-content/plugins/wc-frontend-manager-ultimate/core/class-wcfmu-integrations.php
line
1828
8
type
E_DEPRECATED (8192)
info
Required parameter $product_type follows optional parameter $product_id
file
/home/a0542817/domains/handmadebuy.ru/public_html/wp-content/plugins/wc-frontend-manager-ultimate/core/class-wcfmu-integrations.php
line
1836
9
type
E_DEPRECATED (8192)
info
Required parameter $product_type follows optional parameter $product_id
file
/home/a0542817/domains/handmadebuy.ru/public_html/wp-content/plugins/wc-frontend-manager-ultimate/core/class-wcfmu-integrations.php
line
1867
10
type
E_DEPRECATED (8192)
info
Required parameter $product_type follows optional parameter $product_id
file
/home/a0542817/domains/handmadebuy.ru/public_html/wp-content/plugins/wc-frontend-manager-ultimate/core/class-wcfmu-integrations.php
line
1883

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