" GTM no-script code not found: possibly missing or not in " I test to include the script while in the header.tpl but there's no part. Update: Dilemma was solved. I just use An additional addon and customise hook to get it done. Many thanks Ali Edited November 21, 2018 https://thegreatbookmark.com/story17846237/helping-the-others-realize-the-advantages-of-prestashop-catalog-mode