[Zope] ZMySQLDA/Navigator startup error

[wayne@wayneconnolly.com]

When I start up Zope 2.5.1_ on freebsd I recieve the
following unnerving errors. Can you please help me?

Thanks in advance,

Wayne
------
2002-08-19T03:28:14 ERROR(200) Zope Could not import
Products.ZMySQLDA
Traceback (innermost last):
  File
/usr/local/www/Zope/lib/python/OFS/Application.py, line
531, in import_product
  File
/usr/local/www/Zope/lib/python/Products/ZMySQLDA/__init__.py, line 91, in ?
  File
/usr/local/www/Zope/lib/python/Products/ZMySQLDA/DA.py,
line 92, in ?
  File
/usr/local/www/Zope/lib/python/Products/ZMySQLDA/db.py,
line 89, in ?
ImportError: No module named _mysql


------
2002-08-19T03:28:14 PROBLEM(100) Init Ambiguous name
for method of
Products.ZNavigator.ZNavigator.ZNavigator: "manage" !=
"manage_main"
------
2002-08-19T03:28:14 PROBLEM(100) Init Ambiguous name
for method of Products.ZNavigator.ZNavigator.NavItem:
"manage_main" != "manage"