I had this issue too and it was a permissions problem. It happened again with the latest revision of openerp-web and the only way I managed to fix it was to download an earlier revision of openerp-web. I hope it might help you

i got the same issue but openerp-server failed to start

[root@server openerp]# service openerp start Starting OpenERP Server Daemon (openerp-server): [ OK ] [root@server openerp]# Traceback (most recent call last): File "/usr/bin/openerp-server", line 5, in <module> pkg_resources.run_script('openerp==7.0-20130902-231053', 'openerp-server') File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 461, in run_script self.require(requires)[0].run_script(script_name, ns) File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 1194, in run_script execfile(script_filename, namespace, namespace) File "/usr/lib/python2.6/site-packages/openerp-7.0_20130902_231053-py2.6.egg/EGG-INFO/scripts/openerp-server", line 5, in <module> openerp.cli.main() AttributeError: 'module' object has no attribute 'cli'