Geonode 2.4 TypeError recent activity

[Nils Noelke]

Hi all,

we have an installation of Geonode 2.4 on our server which runs very well, except the following error which appears after click on "Recent Activity"

Any idea how to fix it?

thx 

Nils

TypeError at /social/recent-activity

Related Field got invalid lookup: name

Request Method:	GET
Request URL:	http://xxxxxx/social/recent-activity
Django Version:	1.8.7
Exception Type:	TypeError
Exception Value:	Related Field got invalid lookup: name
Exception Location:	/usr/local/lib/python2.7/dist-packages/django/db/models/fields/related.py in get_lookup_constraint, line 1777
Python Executable:	/usr/bin/python
Python Version:	2.7.6
Python Path:	['/home/geonode', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-x86_64-linux-gnu', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/local/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages/PILcompat', '/var/www']