in class-wccg-admin.php 72 line
if ( ‘woocommerce_page_woocommerce_coupon_generator’ == $current_screen->id ) :
->
if ( ‘woocommerce_page_woocommerce_coupon_generator’ == $current_screen->id ) :
)
should change this .
if you are not using english, this is current_screen->id is not “woocommerce”
