I tried to download the Chinese translation from the website (I assumed that PO file format was 采购订单

) but got the following error:
Traceback (most recent call last):
File "/home/digitalsatori/oe5/server/bin/netsvc.py", line 244, in dispatch
result = LocalService(service_name)(method, *params)
File "/home/digitalsatori/oe5/server/bin/netsvc.py", line 73, in __call__
return getattr(self, method)(*params)
File "/home/digitalsatori/oe5/addons/audittrail/audittrail.py", line 346, in execute
res = my_fct(db, uid, passwd, object, method, *args)
File "/home/digitalsatori/oe5/addons/audittrail/audittrail.py", line 336, in my_fct
return fct_src(db, uid, passwd, object, method, *args)
File "/home/digitalsatori/oe5/server/bin/service/web_services.py", line 583, in execute
res = service.execute(db, uid, object, method, *args)
File "/home/digitalsatori/oe5/server/bin/osv/osv.py", line 59, in wrapper
return f(self, dbname, *args, **kwargs)
File "/home/digitalsatori/oe5/server/bin/osv/osv.py", line 118, in execute
res = pool.execute_cr(cr, uid, obj, method, *args, **kw)
File "/home/digitalsatori/oe5/server/bin/osv/osv.py", line 110, in execute_cr
return getattr(object, method)(cr, uid, *args, **kw)
File "/home/digitalsatori/oe5/server/bin/addons/base/module/wizard/wizard_export_lang.py", line 53, in act_getfile
tools.trans_export(this.lang, mods, buf, this.format, dbname=cr.dbname)
File "/home/digitalsatori/oe5/server/bin/tools/translate.py", line 330, in trans_export
trans = trans_generate(lang, modules, dbname)
File "/home/digitalsatori/oe5/server/bin/tools/translate.py", line 539, in trans_generate
trad = getattr(obj, field_name) or ''
File "/home/digitalsatori/oe5/server/bin/osv/orm.py", line 229, in __getattr__
return self[name]
File "/home/digitalsatori/oe5/server/bin/osv/orm.py", line 190, in __getitem__
datas = self._table.read(self._cr, self._uid, ids, fffields, context=self._context, load="_classic_write")
File "/home/digitalsatori/oe5/server/bin/osv/orm.py", line 2119, in read
result = self._read_flat(cr, user, select, fields, context, load)
File "/home/digitalsatori/oe5/server/bin/osv/orm.py", line 2173, in _read_flat
self._order), sub_ids)
File "/home/digitalsatori/oe5/server/bin/sql_db.py", line 76, in wrapper
return f(self, *args, **kwargs)
File "/home/digitalsatori/oe5/server/bin/sql_db.py", line 120, in execute
res = self._obj.execute(query, params)
ProgrammingError: column "follow_up_msg" does not exist
LINE 1: ...name","parent_id","overdue_msg","timesheet_range","follow_up...
^
Any idea why?
Eric