I have installed postgre SQL in my linux server. I have installed ZpopyDA to my zope installation. but when I run the server I get the following error. help me. what else I have to do. kindly give the necessary links. thanks in advance. ZPoPyDA Import Traceback Traceback (innermost last): File "/Zope-2.2.5-linux2-x86/lib/python/OFS/Application.py", line 397, in import_products product=__import__(pname, global_dict, global_dict, silly) File "/Zope-2.2.5-linux2-x86/lib/python/Products/ZPoPyDA/__init__.py", line 32, in ? import sys, os, Globals, DA File "/Zope-2.2.5-linux2-x86/lib/python/Products/ZPoPyDA/DA.py", line 35, in ? from PoPy_db import DB File "/Zope-2.2.5-linux2-x86/lib/python/Products/ZPoPyDA/PoPy_db.py", line 35, in ? raise "The PoPy module is not installed" The PoPy module is not installed