1) Fatal: Undefined subroutine &main::menu_site_struct called at /var/www/modules/data/modules/ver2_1/templates/_html_functions.pl line 65.
2) Fatal: Undefined subroutine &main::menu_site_struct called at /var/www/modules/data/modules/ver2_1/templates/_html_functions.pl line 65.
    Compilation failed in require at /var/www/modules/data/modules/ver2_1/site/_rewrite_rules.pl line 1716.
3) Fatal: Undefined subroutine &main::menu_site_struct called at /var/www/modules/data/modules/ver2_1/templates/_html_functions.pl line 65.
    Compilation failed in require at /var/www/modules/data/modules/ver2_1/site/_rewrite_rules.pl line 1716.
    Compilation failed in require at index.pl line 7.