Hi,
Make sure that you are downloading the FieldPoint IAK file to your FieldPoint RT Module. Here's the link to the associated knowledgebase.
http://digital.ni.com/public.nsf/3efedde4322fef19862567740067f3cc/b0567407397065f586256be30063f302?OpenDocument
If this is not the case, let me know if you are using FP VIs to read or write data to another FieldPoint controller in the embedded code.
Regards,
Remzi A.