Issues when debug enabled

When wordpress debug enabled, this error shows up

Strict Standards: Declaration of Theme_My_Login::get_object() should be compatible with Theme_My_Login_Abstract::get_object($class) in [path_here]/wp-content/plugins/theme-my-login/includes/class-theme-my-login.php on line 17

Warning: Cannot modify header information – headers already sent by (output started at [path_here]wp-content/plugins/theme-my-login/includes/class-theme-my-login.php:17) in [path_here]/wp-includes/pluggable.php on line 896

Anyone was able to fox this?

http://ww.wp.xz.cn/plugins/theme-my-login/