Sorry... Here is the complete error message:
(Tryton) root@host [/opt/Tryton]# ./bin/trytond -c /opt/Tryton/etc/trytond.conf
Traceback (most recent call last):
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/backend/__init__.py", line 32, in get
'trytond.backend', db_type)
ValueError: not enough values to unpack (expected 1, got 0)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "./bin/trytond", line 4, in <module>
__import__('pkg_resources').run_script('trytond==4.4.4', 'trytond')
File "/opt/Tryton/lib/python3.6/site-packages/pkg_resources/__init__.py", line 743, in run_script
self.require(requires)[0].run_script(script_name, ns)
File "/opt/Tryton/lib/python3.6/site-packages/pkg_resources/__init__.py", line 1498, in run_script
exec(code, namespace, namespace)
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/EGG-INFO/scripts/trytond", line 24, in <module>
from trytond.application import app
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/application.py", line 8, in <module>
Pool.start()
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/pool.py", line 95, in start
register_classes()
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/modules/__init__.py", line 336, in register_classes
import
trytond.ir
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/ir/__init__.py", line 4, in <module>
from .configuration import *
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/ir/configuration.py", line 3, in <module>
from ..model import ModelSQL, ModelSingleton, fields
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/model/__init__.py", line 3, in <module>
from .model import Model
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/model/model.py", line 8, in <module>
from trytond.model import fields
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/model/fields/__init__.py", line 4, in <module>
from .field import *
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/model/fields/field.py", line 20, in <module>
Database = backend.get('Database')
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/backend/__init__.py", line 34, in get
raise exception
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/backend/__init__.py", line 26, in get
__import__(modname)
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/backend/postgresql/__init__.py", line 4, in <module>
from .database import *
File "/opt/Tryton/lib/python3.6/site-packages/trytond-4.4.4-py3.6.egg/trytond/backend/postgresql/database.py", line 16, in <module>
from psycopg2 import connect, Binary
File "/opt/python36/lib/python3.6/site-packages/psycopg2-2.7.3.1-py3.6-linux-x86_64.egg/psycopg2/__init__.py", line 50, in <module>
from psycopg2._psycopg import ( # noqa
ImportError: /opt/python36/lib/python3.6/site-packages/psycopg2-2.7.3.1-py3.6-linux-x86_64.egg/psycopg2/_
psycopg.cpython-36m-x86_64-linux-gnu.so: undefined symbol: PQconninfo
Thank you.