Deprecated Method, Undefined variable and Undefined index

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Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; xmlrpc_client has a deprecated constructor in /www/wp-content/plugins/print-science-designer/includes/xmlrpc.inc on line 806

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; xmlrpcresp has a deprecated constructor in /www/wp-content/plugins/print-science-designer/includes/xmlrpc.inc on line 1926

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; xmlrpcmsg has a deprecated constructor in /www/wp-content/plugins/print-science-designer/includes/xmlrpc.inc on line 2084

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; xmlrpcval has a deprecated constructor in /www/wp-content/plugins/print-science-designer/includes/xmlrpc.inc on line 2709