Hi Paul, I am really sorry about that i will take care in the future RegardsDharmendra Kumar Singh On Thursday, 22 June 2017 4:20 PM, Paul Swennenhuis <paul@swennenhuis.nl> wrote: Oops ... Not recommended to post 8 Mb to the list Dharmendra. Paul On 21-6-2017 8:14, Dharmendra Singh wrote: Hi all, I have loaded the RNG schema using function db:store and also loaded the XML in the DB which has to be validated, but i am getting the error, below is my code: let $binary := db:retrieve('onix','/relaxng/publishers-51cr.rnc') let $schema := bin:decode-string($binary) return let $input := db:open('onix') return validate:rng($input, $schema) when i run this code i get the error invalid XML charcter(20) so what i am doing wrong here. please find the attached RNG schema file and XML