SitemapXML v.2

[hflsales]

https://www.zen-cart.com/content.php?124-blank-page

Especially 2.a.

There are error logs but I have no idea what they mean. Here is today's error log.....

([17-Feb-2017 16:22:33 America/Los_Angeles] Request URI: /products/admin/login.php, IP address: 24.00.00.000
#1 trigger_error() called at [/home/######/public_html/products/includes/classes/db/mysql/query_factory.php:167]
#2 queryFactory->show_error() called at [/home/######/public_html/products/includes/classes/db/mysql/query_factory.php:139]
#3 queryFactory->set_error() called at [/home/#####/public_html/products/includes/classes/db/mysql/query_factory.php:266]
#4 queryFactory->Execute() called at [/home/######/public_html/products/admin/includes/functions/database.php:53]
#5 zen_db_perform() called at [/home/#####/public_html/products/admin/includes/classes/ext_modules.php:109]
#6 ext_modules->install_configuration() called at [/home/#####/public_html/products/admin/includes/installers/sitemapxml/3_9_1.php:19]
#7 include(/home/#####/public_html/products/admin/includes/installers/sitemapxml/3_9_1.php) called at [/home/#####/public_html/products/admin/includes/init_includes/init_sitemapxml.php:48]
#8 require(/home/#####/public_html/products/admin/includes/init_includes/init_sitemapxml.php) called at [/home/#####/public_html/products/includes/autoload_func.php:48]
#9 require(/home/#####/public_html/products/includes/autoload_func.php) called at [/home/#####/public_html/products/admin/includes/application_top.php:171]
#10 require(/home/#####/public_html/products/admin/includes/application_top.php) called at [/home/#####/public_html/products/admin/login.php:9]

[17-Feb-2017 16:22:33 America/Los_Angeles] PHP Fatal error: 1062uplicate entry 'SITEMAPXML_VERSION' for key 'unq_config_key_zen' :: insert into configuration (configuration_key, configuration_group_id, configuration_title, configuration_value, configuration_description, sort_order, use_function, set_function, date_added) values ('SITEMAPXML_VERSION', '', 'TEXT_CONFIGURATION_TITLE_SITEMAPXML_VERSION', '3.9.2', 'TEXT_CONFIGURATION_DESCRIPTION_SITEMAPXML_VERSION', '-10', '', 'zen_cfg_read_only(', now()) ==> (as called by) /home/#####/public_html/products/admin/includes/functions/database.php on line 53 <== in /home/#####/public_html/products/includes/classes/db/mysql/query_factory.php on line 167)