Magento GoogleCheckout Error after upgrade

Magento Googlecheckout error after upgrading Magento Warning: include(/home/*/public_html/includes/src/Mage_Googlecheckout_Helper_Data.php): failed to open stream: No such file or directory in /home/*/public_html/includes/src/Varien_Autoload.php on line 93 (with compilation enabled) Warning: include(Mage/Googlecheckout/Helper/Data.php): failed to open stream: No such file or directory in /home/*/public_html/lib/Varien/Autoload.php on line 93 (With compilation disabled) Solution Delete all files except config.xml from the following directory: app/code/core/Mage/GoogleCheckout/etc/ app/code/core/Mage/GoogleCheckout/etc/adminhtml.xml app/code/core/Mage/GoogleCheckout/etc/system.xml app/code/core/Mage/GoogleCheckout/etc/wsdl.xml…

Tweak and Tune Magento Development Environment

Mandatory Magento Development Environment Settings Disable caching System > Cache Management > Disable All Recommended Open .htaccess and set SetEnv MAGE_IS_DEVELOPER_MODE “true” at the end of the file Open .htaccess and set php_value display_errors On somewhere within <IfModule mod_php5.c> Rename errors / local.xml.sample to errors / local.xml Convenience Enable Logging System > Configuration > Advanced > Developer > Log Settings > Enabled [ Yes ] Enable Debug Profiler System >…

Magento Resources and Docs

Recommended Magento Resources and Reading List Developers MageBase King Letas Fabrizio Branca Alan Storm Magento Quickies Ashley Schroder Colin Mollenhour Marius Strajeru Oleg Ishenko – Solving Magento Fabian Blechschmidt Jared Blalock Magento related Companies / Individual Groups Inchoo CodeGento ECOMDEV Atwix OverlyCaffeinated  Magento Resources Magento Technical Resources MagentoU Training Video Samples StackExchange Magento Reddit Magento…