Hi All, This line of code, which sits within a function, in a module (Access 2003)... MsgBox (DLookup("[gas_standing_charge]", "tbl_constants")) Is causing this error... "You cancelled the previous operation" Don't geddit! Any ideas anyone? Thanks! Simon. -- - * Please reply to group for the benefit of all * Found the answer to your own question? Post it! * Get a useful reply to one of your posts?...post an answer to another one * Search first, post later : http://www.google.co.uk/groups * Want my email address? Ask me in a post...Cos2MuchSpamMakesUFat!