Missing resource exception

Q:

I gave read/write permissions to the dll in web server directory and it
works now...

As I wrote earlier I got the fillable form and when I was reading the
fields (mm, dd, yy) of date of birth thru .net it generated the below
error..

: pdftron.Common.PDFNetException: Exception: Message: Missing resource

I only went through half of the form and the rest of fields looks ok.
Can you tell me what this error about? I searched in your website about
this error but didn't find any information
----

A:
Most likely the path to the resource file in incorrect (the path is set
using PDFNet.SetResourcePath() method, which usually follows
PDFNet.Initialize()). Please refer to the following FAQ-s for more
information on this topic:
  http://www.pdftron.com/net/faq.html#pdfnet_res
  http://www.pdftron.com/net/faq.html#missing_resources