Article of Association in the Company House Incorporation

I have get following response from company house for submission in Article of Association .

"Data memorandum and bespoke or amended articles are indicated. Don’t provide document categories relating to the upload of a memorandum (MEM or MEMARTS). "

When I am change category to ARTS its say
" Value ‘ARTS’ is not in enumeration "

And Also when i am used true false i have get response that DataMemorandum must be true.

please help

Please can you send the XML raw data request and response to xml@companieshouse, to allow us to investigate this.