Backtrace from warning 'Undefined variable $checkout' at /home/u885534680/domains/beerballer.com/public_html/wp-content/plugins/beerballer/system/templates/oxygen/checkout.php 49:

1. /home/u885534680/domains/beerballer.com/public_html/wp-content/plugins/oxygen/component-framework/components/classes/code-block.class.php(133) : eval()'d code 2 calling include( )
2. /home/u885534680/domains/beerballer.com/public_html/wp-content/plugins/oxygen/component-framework/components/classes/code-block.class.php 133 calling eval()
3. /home/u885534680/domains/beerballer.com/public_html/wp-content/plugins/oxygen/component-framework/includes/templates.php 76 calling add_shortcode()
4. /home/u885534680/domains/beerballer.com/public_html/wp-content/plugins/oxygen/component-framework/includes/templates.php 109 calling do_oxygen_elements()
5. /home/u885534680/domains/beerballer.com/public_html/wp-content/plugins/oxygen/component-framework/includes/templates.php 183 calling ct_template_output()
6. /home/u885534680/domains/beerballer.com/public_html/wp-includes/class-wp-hook.php 308 calling ct_templates_buffer_start()
7. /home/u885534680/domains/beerballer.com/public_html/wp-includes/class-wp-hook.php 332 calling apply_filters()
8. /home/u885534680/domains/beerballer.com/public_html/wp-includes/plugin.php 517 calling do_action()
9. /home/u885534680/domains/beerballer.com/public_html/wp-content/plugins/oxygen/component-framework/component-init.php 1241 calling do_action()
10. /home/u885534680/domains/beerballer.com/public_html/wp-includes/class-wp-hook.php 308 calling oxy_print_cached_css()
11. /home/u885534680/domains/beerballer.com/public_html/wp-includes/class-wp-hook.php 332 calling apply_filters()
12. /home/u885534680/domains/beerballer.com/public_html/wp-includes/plugin.php 517 calling do_action()
13. /home/u885534680/domains/beerballer.com/public_html/wp-includes/general-template.php 3043 calling do_action()
14. /home/u885534680/domains/beerballer.com/public_html/wp-content/plugins/oxygen/component-framework/oxygen-main-template.php 10 calling wp_head()
15. /home/u885534680/domains/beerballer.com/public_html/wp-includes/template-loader.php 106 calling include()
16. /home/u885534680/domains/beerballer.com/public_html/wp-blog-header.php 19 calling require_once()
17. /home/u885534680/domains/beerballer.com/public_html/index.php 17 calling require()