odoo server error

[FlorDir]

Traceback (most recent call last):
File "/opt/odoo/sources/meli/odoo_connector_api_producteca/models/connection_binding_sale_order.py", line 716, in post_invoices
inv.action_post()
File "/opt/odoo/addons/sale/models/account_move.py", line 63, in action_post
res = super(AccountMove, self).action_post()
File "/opt/odoo/sources/rma/rma/models/account_move.py", line 41, in action_post
return super().action_post()
File "/opt/odoo/sources/odoo-argentina/account_payment_group/models/account_move.py", line 78, in action_post
res = super(AccountMove, self).action_post()
File "/opt/enterprise/account_accountant/models/account_move.py", line 24, in action_post
res = super().action_post()
File "/opt/odoo/addons/account/models/account_move.py", line 3739, in action_post
other_moves._post(soft=False)
File "/opt/enterprise/l10n_ar_edi/models/account_move.py", line 168, in _post
self._cr.commit()
File "/opt/odoo/odoo/sql_db.py", line 461, in commit
self.flush()
File "/opt/odoo/odoo/sql_db.py", line 134, in flush
self.transaction.flush()
File "/opt/odoo/odoo/api.py", line 870, in flush
env_to_flush.flush_all()
File "/opt/odoo/odoo/api.py", line 734, in flush_all
self[model_name].flush_model()
File "/opt/odoo/odoo/models.py", line 5598, in flush_model
self._flush(fnames)
File "/opt/odoo/odoo/models.py", line 5671, in _flush
process(model, id_vals)
File "/opt/odoo/odoo/models.py", line 5621, in process
model.browse(ids)._write(vals)
File "/opt/odoo/odoo/models.py", line 3862, in _write
cr.execute(query, params + [sub_ids])
File "/opt/odoo/odoo/sql_db.py", line 321, in execute
res = self._obj.execute(query, params)
psycopg2.errors.SerializationFailure: no se pudo serializar el acceso debido a un update concurrente

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/opt/odoo/odoo/tools/cache.py", line 85, in lookup
r = d[key]
File "", line 2, in getitem
File "/opt/odoo/odoo/tools/func.py", line 87, in locked
return func(inst, *args, **kwargs)
File "/opt/odoo/odoo/tools/lru.py", line 34, in getitem
a = self.d[obj]
KeyError: ('res.users', <function Users._has_group at 0x7f0c32c3e4c0>, 132, 'base.group_public')

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/opt/odoo/odoo/http.py", line 1584, in _serve_db
return service_model.retrying(self._serve_ir_http, self.env)
File "/opt/odoo/odoo/service/model.py", line 133, in retrying
result = func()
File "/opt/odoo/odoo/http.py", line 1611, in _serve_ir_http
response = self.dispatcher.dispatch(rule.endpoint, args)
File "/opt/odoo/odoo/http.py", line 1815, in dispatch
result = self.request.registry['ir.http']._dispatch(endpoint)
File "/opt/odoo/addons/website/models/ir_http.py", line 237, in _dispatch
response = super()._dispatch(endpoint)
File "/opt/odoo/odoo/addons/base/models/ir_http.py", line 154, in _dispatch
result = endpoint(**request.params)
File "/opt/odoo/odoo/http.py", line 697, in route_wrapper
result = endpoint(self, *args, **params_ok)
File "/opt/odoo/addons/web/controllers/dataset.py", line 46, in call_button
action = self._call_kw(model, method, args, kwargs)
File "/opt/odoo/addons/web/controllers/dataset.py", line 33, in _call_kw
return call_kw(request.env[model], method, args, kwargs)
File "/opt/odoo/odoo/api.py", line 461, in call_kw
result = _call_kw_multi(method, model, args, kwargs)
File "/opt/odoo/odoo/api.py", line 448, in _call_kw_multi
result = method(recs, *args, **kwargs)
File "/opt/odoo/sources/meli/odoo_connector_api_producteca/models/wizards.py", line 318, in producteca_sale_process
raise e
File "/opt/odoo/sources/meli/odoo_connector_api_producteca/models/wizards.py", line 305, in producteca_sale_process
prorder.post_invoices()
File "/opt/odoo/sources/meli/odoo_connector_api_producteca/models/connection_binding_sale_order.py", line 722, in post_invoices
so.message_post(body=str(error))
File "/opt/odoo/addons/sale/models/sale_order.py", line 1224, in message_post
return super(SaleOrder, self.with_context(mail_post_autofollow=self.env.context.get('mail_post_autofollow', True))).message_post(**kwargs)
File "/opt/odoo/addons/rating/models/mail_thread.py", line 15, in message_post
message = super(MailThread, self).message_post(**kwargs)
File "/opt/odoo/addons/mail/models/mail_thread.py", line 2000, in message_post
if self.env.user._is_public() and guest:
File "/opt/odoo/odoo/addons/base/models/res_users.py", line 1054, in _is_public
return self.has_group('base.group_public')
File "/opt/odoo/odoo/addons/base/models/res_users.py", line 969, in has_group
return self._has_group(group_ext_id)
File "", line 2, in _has_group
File "/opt/odoo/odoo/tools/cache.py", line 90, in lookup
value = d[key] = self.method(*args, **kwargs)
File "/opt/odoo/odoo/addons/base/models/res_users.py", line 984, in _has_group
self._cr.execute("""SELECT 1 FROM res_groups_users_rel WHERE uid=%s AND gid IN
File "/opt/odoo/odoo/sql_db.py", line 321, in execute
res = self._obj.execute(query, params)
psycopg2.errors.InFailedSqlTransaction: transacción abortada, las órdenes serán ignoradas hasta el fin de bloque de transacción

The above server error caused the following client error:
RPC_ERROR: Odoo Server Error
at makeErrorFromResponse (http://186.138.215.48:8069/web/assets/17105-6898736/web.assets_backend.min.js:993:163)
at XMLHttpRequest. (http://186.138.215.48:8069/web/assets/17105-6898736/web.assets_backend.min.js:1001:13)