i got an error while trying to activate a theme. can you help me fix this.
Smarty Compiler: Syntax error in template "/home/mis123/public_html/design/themes/abt__youpitheme/templates/blocks/products/abt__yt_products_multicolumns_with_banners.tpl" on line 30 "obj_prefix="`$block.block_id`000"" unknown modifier "fn_abt__yt_get_object_banners" -->