Deprecated message after lates Wordpress update

[federicozinelli]

Here is the message I get after latest wordpress 5.5.1 update.
The message goes away when deactivating the Quick buy plugin.

Deprecated: vsp_framework_loaded is deprecated since version 0.9! Use vsp/loaded instead. in /customers/9/3/6/imberwaterdistillers.com/httpd.www/wp-includes/functions.php on line 5148 Warning: Cannot modify header information - headers already sent by (output started at /customers/9/3/6/imberwaterdistillers.com/httpd.www/wp-includes/functions.php:5148) in /customers/9/3/6/imberwaterdistillers.com/httpd.www/wp-includes/functions.php on line 6270 Warning: Cannot modify header information - headers already sent by (output started at /customers/9/3/6/imberwaterdistillers.com/httpd.www/wp-includes/functions.php:5148) in /customers/9/3/6/imberwaterdistillers.com/httpd.www/wp-admin/includes/misc.php on line 1310 Warning: Cannot modify header information - headers already sent by (output started at /customers/9/3/6/imberwaterdistillers.com/httpd.www/wp-includes/functions.php:5148) in /customers/9/3/6/imberwaterdistillers.com/httpd.www/wp-admin/admin-header.php on line 9

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[varunsridharan]

@federicozinelli which version of Quick Buy plugin are you using ?

[federicozinelli]

Hi Varun,
I'm using 2.8.1