We upgraded our Flexible Theme to CleanMart. It is working, but we are generating the following notices.
[08-Aug-2014 20:36:28 America/Denver] PHP Notice: Undefined property: stdClass::$id in /home/provetlo/public_html/libraries/gantry/core/params/overrides/gantrymenuitemparamoverride.class.php on line 66
[08-Aug-2014 20:36:28 America/Denver] PHP Notice: Undefined property: stdClass::$id in /home/provetlo/public_html/libraries/gantry/core/params/overrides/gantrymenuitemparamoverride.class.php on line 66
[08-Aug-2014 20:36:29 America/Denver] PHP Notice: Undefined variable: style in /home/provetlo/public_html/modules/mod_flexible_cart/mod_flexible_cart.php on line 112
[08-Aug-2014 20:36:29 America/Denver] PHP Notice: Undefined property: stdClass::$id in /home/provetlo/public_html/plugins/system/gantry/gantry.php on line 234
[08-Aug-2014 20:36:33 America/Denver] PHP Notice: Undefined variable: response in /home/provetlo/public_html/templates/rt_stratos/html/com_virtuemart/productdetails/flexv2.php on line 2
[08-Aug-2014 20:36:33 America/Denver] PHP Notice: Undefined variable: HTTPS in /home/provetlo/public_html/templates/rt_stratos/html/com_virtuemart/productdetails/flexv2.php on line 3
[08-Aug-2014 20:36:33 America/Denver] PHP Notice: Undefined variable: response in /home/provetlo/public_html/templates/rt_stratos/html/com_virtuemart/productdetails/flexv2.php on line 24
[08-Aug-2014 20:36:33 America/Denver] PHP Notice: Undefined variable: HTTPS in /home/provetlo/public_html/templates/rt_stratos/html/com_virtuemart/productdetails/flexv2.php on line 137
[08-Aug-2014 20:36:33 America/Denver] PHP Notice: Trying to get property of non-object in /home/provetlo/public_html/templates/rt_stratos/html/com_virtuemart/productdetails/flexv2.php on line 618
[08-Aug-2014 20:36:33 America/Denver] PHP Notice: Undefined property: stdClass::$id in /home/provetlo/public_html/libraries/gantry/core/params/overrides/gantrymenuitemparamoverride.class.php on line 66
[08-Aug-2014 20:36:33 America/Denver] PHP Notice: Undefined property: stdClass::$id in /home/provetlo/public_html/libraries/gantry/core/params/overrides/gantrymenuitemparamoverride.class.php on line 66
[08-Aug-2014 20:36:33 America/Denver] PHP Notice: Undefined variable: style in /home/provetlo/public_html/modules/mod_flexible_cart/mod_flexible_cart.php on line 112
[08-Aug-2014 20:36:34 America/Denver] PHP Notice: Undefined property: stdClass::$id in /home/provetlo/public_html/plugins/system/gantry/gantry.php on line 234

I don't think all of those are yours, but I don't know whether one impacts the other.
Can you suggest a remedy for the undefined variables and properties?

Thank you.

You should have use "search" before creating topic.

Refer to:
www.flexiblewebdesign.com/forum-virtuemart-2-template-support/1383-notice-undefined-variable

External reference:
forum.joomla.org/viewtopic.php?f=615&t=788765
forum.joomla.org/viewtopic.php?f=708&t=833934

(use google.com to find more external source)

Regards,
Support