This article was written for Magento 1.x and is kept for reference. Running Magento 1 in 2026 is a security risk — ask me about migrating to Magento 2 / Adobe Commerce.
addError, addWarning, addNotice and addSuccess session messages and how to display them.
The full article is being restored as part of the site rebuild. Need this fix right now? Contact me and I'll send you the complete steps — or solve it on your store directly.