change
Code:
for( new i = 0; i<players_num; i++) {
if( is_user_alive(id) && get_user_team(id) != get_user_team(i) ) {
to
Code:
for( new i = 0; i<players_num; i++) {
if( is_user_alive(id)
&& is_valid_ent( i ) // requires engine module
&& is_user_alive( i )
&& get_user_team(id) != get_user_team(i) ) {
and add
to the include list