An unexpected error has occurred.

The Drawloop staff has been notified.

EDIT BY COMMUNITY MANAGER:  (I'm moving the question from the title to the body of this form. The writer asks the below..)

Hi,   I have created a custom buttonprint on the account object to print the document in PDF format by using the Drawloop and when i click on the print button it shows "An unexpected error has occurred.  The Drawloop staff has been notified." Could  anyo.