" GTM no-script code not found: either lacking or not in " I consider to incorporate the script in the header.tpl but there's no portion. Update: Difficulty was solved. I just use One more addon and customize hook to do it. Many thanks Ali Edited November 21, 2018 by QNP https://indexedbookmarks.com/story17727013/5-essential-elements-for-prestashop-vs-opencart