PrestaShop

PrestaShop 500 Error: Decoding SmartyCompilerException with Google Tag Manager

Correctly embedding Google Tag Manager in PrestaShop templates using {literal} tags
Correctly embedding Google Tag Manager in PrestaShop templates using {literal} tags

Decoding PrestaShop 500 Errors: A Smarty and Google Tag Manager Conundrum

Encountering a 500 Internal Server Error on your PrestaShop store can be a daunting experience, often halting sales and frustrating users. While these errors can stem from various issues, a recent community thread highlighted a specific, yet common, culprit: a SmartyCompilerException caused by improperly integrated JavaScript, specifically Google Tag Manager (GTM), within theme template files.

At Migrate My Shop, we understand the critical importance of a smoothly running e-commerce platform. A 500 error isn't just a technical glitch; it's a direct hit to your revenue and brand reputation. Let's dive into a real-world scenario and equip you with the knowledge to tackle similar challenges.

The Problem: A Sudden 500 Error on PrestaShop 1.7.8.8

A PrestaShop merchant, suray24, reported a sudden 500 error on their PrestaShop 1.7.8.8 store, which had been functioning normally. The detailed error log pointed directly to a SmartyCompilerException:

Syntax error in template "file:/home/foiegra/www/themes/classic/templates/layouts/layout-both-columns.tpl" on line 33 "