PHP error

Dear Team,

Could you please update the plugin as it is creating PHP errors atm. Thank you very much.

Error Level: E_ERROR
Message: Uncaught TypeError: Unsupported operand types: string * int in /wp-content/plugins/dologin/src/auth.cls.php:161
Stack trace:
#0 /wp-content/plugins/dologin/src/auth.cls.php(272): dologin\Auth->_has_login_err()
#1 /wp-includes/class-wp-hook.php(307): dologin\Auth->check_xmlrpc()
#2 /wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#3 /wpcrono/wp-includes/plugin.php(474): WP_Hook->do_action()
#4 /wpcrono/wp-settings.php(587): do_action()
#5 /wpcrono/wp-config.php(83): require_once('...')
#6 /wpcrono/wp-load.php(50): require_once('...')
#7 /wpcrono/xmlrpc.php(31): require_once('...')
#8 {main}
thrown
File: /wp-content/plugins/dologin/src/auth.cls.php
Line: 161
Request: /xmlrpc.php?rsd
Referrer: unknown
User: