Can you please download it again from you Downloads section and try to install again? Try to open ac_promotions_v1.0.1.tar.gz archive on you PC, did you see files in archive? You can contact marketplace support here
Hello. You need to give access to next controllers 1 catalog/product 2 catalog/product_discount 3 catalog/product_extensions 4 catalog/product_files 5 catalog/product_images 6 catalog/product_layout 7 catalog/product_listing 8 catalog/product_options 9 catalog/product_promotions 10 catalog/product_relations 11 catalog/product_special 12 catalog/product_summary 13 catalog/product_tabs 14 common/resource_library 15 listing_grid/product 16 product/product This work for me in AbanteCart 1.1.9