Hi,
I've got this error also:
"TypeError: iteration over non-sequence"
When I've done my first attempt to migrate from 2.1.4 to
2.5.1, it seems to
be related to bad member metadata, I've just post in this
how I've migrated
(using an another step to deploy PlonePas1.3 on my
Plone2.1.4 instance to
check that all the member metadatas are moved correctly from
Gruf to
PlonePas).
So I've been obliged to delete or change the types of some
of these
metadatas (due to unused products, advanced types like
multiple selection,
selection and lines). Selection types have been changed to
'string'.
To see the value of the metadata before to delete them I'm
using this short
script:
from Products.PythonScripts.standard import html_quote
request = container.REQUEST
RESPONSE = request.RESPONSE
print "User
Name;location;occupation;interests;timezone"
for m in context.portal_membership.listMembers():
print "%s;" %m.getUserName(),"%s;"
%m.getProperty('location'),"%s;"
%m.getProperty('occupation'),"%s;"
%m.getProperty('interests'),"%s;"
%m.getProperty('timezone')
return printed
With some metadatas the result of the script is not printed
correctly on the
screen (no carriage return) so in that case I've suppressed
the metadata
which give this print out error (don't tell me why I'm not
an expert in
plone and python design development)...
Anyway after this cleaning in the member properties I've
been able to
migrate correclty and don't see again this error when I'm
searching for
Members information or trying to login  .
(Now I've got other errors but related to browser support
with Plone2.5.1
:-( )
Last point: this cleaning has been done before migration and
install of
PlonePas 1.3, I don't think that it can change something
after migration so
I guess that you need to go back to your previous instance
and plone version
and try again...
Hope this can help you.
Marc
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