Reward Points Module for ZC v13x

[hem]

Can anyone please let me how to fix this message?

Warning: Cannot modify header information - headers already sent by (output started at G:\wwwroot\xampp\htdocs\premiersalon.com.au\ws\admin\includes\languages\english\ extra_definitions\reward_points_definitions.php:39) in G:\wwwroot\xampp\htdocs\premiersalon.com.au\ws\admin\includes\init_includes\init _templates.php on line 36

Warning: Cannot modify header information - headers already sent by (output started at G:\wwwroot\xampp\htdocs\premiersalon.com.au\ws\admin\includes\languages\english\ extra_definitions\reward_points_definitions.php:39) in G:\wwwroot\xampp\htdocs\premiersalon.com.au\ws\admin\includes\functions\general. php on line 21

Have you edited any of the php files recently?