1) Fatal: Undefined subroutine &main::catalog_compare_html called at /var/www/modules/data/modules/ver2_1/site/catalog_compare.pl line 48.
2) Fatal: Undefined subroutine &main::catalog_compare_html called at /var/www/modules/data/modules/ver2_1/site/catalog_compare.pl line 48.
    Compilation failed in require at catalog_compare.pl line 15.