Magento Connect manager install not supported CONNECT ERROR: Package file is invalid Invalid package name, allowed: [a-zA-Z0-9_-] chars Invalid version, should be like: x.x.x Invalid stability Invalid date, should be YYYY-DD-MM Invalid channel URL Empty authors section Empty package contents section

This error message can occur when attempting to install an extension from a zip file via Magento Connect. Instead, please follow the instructions to install the extension via FTP (search by extension in this Help Centre).