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Hi all! These days I'm starting so many topics 'cause developing a module makes me reflecting about different aspects about Prestashop platform Btw, I tried to install the module I'm developing on the 1.4.9.0 version (of Prestashop, of course) and the installation fails at all. It gives me a blank page with no errors and no alert messages, so I can't figure out what's wrong. I could study how the modules for 1.4.x version are installed to find differences in the process and maybe fix the problem, but the question I've in my mind is more generic: How do we (the developers) have to manage the modules' compatibility? If I develop (as I'm doin') a module starting on the 1.6.x PS version (the newer one), how can I assure and manage the compatibility for the older PS versions? How I change and structure my code? Are there guide lines for doin' this? And if not, maybe someone from the PS staff could write a guide all about compatiblity. I've read the developer's guide but I can't remember anything about it. What do you think about? I'd love to do it myself (I love to write documentation, yes... maybe I'm crazy), but I've not enough experience in PS development