error starting cron process

23142 -1218955520 [2018-06-22 09:47:45,310] INFO trytond.pool init pool for "scit_1073_exemple_fr"
Traceback (most recent call last):
  File "/home/sisalpuser/xoe.services/scitep-scit-1073/trytond/bin/trytond-cron", line 26, in <module>
    cron.run(options)
  File "/home/sisalpuser/xoe.services/scitep-scit-1073/trytond/trytond/cron.py", line 23, in run
    pool.init()
  File "/home/sisalpuser/xoe.services/scitep-scit-1073/trytond/trytond/pool.py", line 162, in init
    lang=lang, installdeps=installdeps)
  File "/home/sisalpuser/xoe.services/scitep-scit-1073/trytond/trytond/modules/__init__.py", line 472, in load_modules
    _load_modules(update)
  File "/home/sisalpuser/xoe.services/scitep-scit-1073/trytond/trytond/modules/__init__.py", line 437, in _load_modules
    load_module_graph(graph, pool, update, lang)
  File "/home/sisalpuser/xoe.services/scitep-scit-1073/trytond/trytond/modules/__init__.py", line 221, in load_module_graph
    where=ir_module.name.in_(modules)))
  File "/home/sisalpuser/xoe.services/scitep-scit-1073/trytond/trytond/backend/postgresql/database.py", line 61, in execute
    cursor.execute(self, sql, args)
psycopg2.ProgrammingError: syntax error at or near ")"
LINE 1: ..."a"."state" FROM "ir_module" AS "a" WHERE ("a"."name" IN ())
                                                                     ^

23141 -1219283200 [2018-06-22 09:47:45,328] INFO werkzeug  * Running on http://10.0.10.73:20731/ (Press CTRL+C to quit)