Firstly, unless there is something wrong in our set up, if the hikashop params are not shown in the falang menu translation, the params saved to the falang_content table are not the params in the original language menu item. They are the "default params".
{"hk_product":{"layout_type":"div","columns":"3","rows":"12","limit":"36","div_item_layout_type":"inherit","image_width":"","image_height":"","product_transition_effect":"linear","product_effect_duration":"","pane_height":"","text_center":"-1","background_color":"","margin":"","border_visible":"-1","rounded_corners":"-1","ul_class_name":"","show_image":"0","show_description":"0","category":"2","product_order":"inherit","order_dir":"inherit","random":"-1","filter_type":"0","use_module_name":"0","discounted_only":"0","show_out_of_stock":"-1","recently_viewed":"-1","link_to_product_page":"-1","show_price":"-1","price_display_type":"inherit","price_with_tax":"3","show_original_price":"-1","show_discount":"3","add_to_cart":"-1","add_to_wishlist":"-1","show_quantity_field":"-1","show_vote_product":"-1","display_custom_item_fields":"-1","display_filters":"-1","display_badges":"-1"},"menu-anchor_title":"","menu-anchor_css":"","menu_image":"","menu_text":1,"menu_show":1,"page_title":"","show_page_heading":"","page_heading":"","pageclass_sfx":"","menu-meta_description":"","menu-meta_keywords":"","robots":"","secure":0}
Translated language params = {"menu-anchor_title":"","menu-anchor_css":"","menu_image":"","menu_text":"1","menu_show":"1","page_title":"","show_page_heading":"","page_heading":"","pageclass_sfx":"","menu-meta_description":"","menu-meta_keywords":"","robots":"","secure":"0"}
Secondly so far in out testing we have not had any issues with the falang menu translation crashing if hikashp params are shown (an then saved to the databae