pgloader error : permission denied to set parameter "lc_messages"

Hi,

I am trying to load CSV files into postgresql via pgloader, it returned the following error, any suggestions to fix it?

I have a line "lc_messages = C" in my pgloader.conf, would this line cause the problem?

regards

pgloader ERROR permission denied to set parameter "lc_messages"
pgloader ERROR permission denied to set parameter "lc_messages"

Traceback (most recent call last):
File "/usr/bin/pgloader", line 779, in <module>
ret = load_data()
File "/usr/bin/pgloader", line 687, in load_data
(started[s], finished[s]), summary[s])
File "/usr/lib/pymodules/python2.7/pgloader/pgloader.py", line 142, in __init__
self._read_conf(name, config, db)
File "/usr/lib/pymodules/python2.7/pgloader/pgloader.py", line 328, in _read_conf
self.columns = self.db.get_all_columns(self.table)
File "/usr/lib/pymodules/python2.7/pgloader/db.py", line 153, in get_all_columns
self.reset()
File "/usr/lib/pymodules/python2.7/pgloader/db.py", line 189, in reset
self.set_pg_options()
File "/usr/lib/pymodules/python2.7/pgloader/db.py", line 117, in set_pg_options
raise PGLoader_Error, e
pgloader.tools.PGLoader_Error: permission denied to set parameter "lc_messages"