traceback

2017-03-15 04:35:11,692 31120 WARNING sunion_production_021216 openerp.pooler: openerp.pooler.get_db_and_pool() is deprecated.
2017-03-15 04:35:11,700 31120 ERROR sunion_production_021216 openerp.service.report: Exception: [Errno 5] Input/output error
Traceback (most recent call last):
  File "/opt/odoo/odoo-server/openerp/service/report.py", line 93, in go
    result, format = openerp.report.render_report(cr, uid, ids, object, datas, context)
  File "/opt/odoo/odoo-server/openerp/report/__init__.py", line 40, in render_report
    return registry['ir.actions.report.xml'].render_report(cr, uid, ids, name, data, context)
  File "/opt/odoo/odoo-server/openerp/api.py", line 268, in wrapper
    return old_api(self, *args, **kwargs)
  File "/opt/odoo/odoo-server/openerp/addons/base/ir/ir_actions.py", line 156, in render_report
    return new_report.create(cr, uid, res_ids, data, context)
  File "/opt/odoo/odoo-server/openerp/addons/report_xls/report_xls.py", line 106, in create
    return self.create_source_xls(cr, uid, ids, data, context)
  File "/opt/odoo/odoo-server/openerp/addons/report_xls/report_xls.py", line 138, in create_source_xls
    self.generate_xls_report(_p, _xs, data, objs, wb)
  File "/opt/odoo/odoo-server/openerp/sunion_addons/account_financial_report_xls/report/account_financial_report_xls.py", line 227, in generate_xls_report
    print data['form']
IOError: [Errno 5] Input/output error
2017-03-15 04:35:11,934 31120 ERROR sunion_production_021216 openerp.addons.web.controllers.main: An exception occured during an http request
Traceback (most recent call last):
  File "/opt/odoo/odoo-server/openerp/addons/web/controllers/main.py", line 70, in wrap
    return f(*args, **kwargs)
  File "/opt/odoo/odoo-server/openerp/addons/web/controllers/main.py", line 1576, in index
    request.session.db, request.session.uid, request.session.password, report_id)
  File "/opt/odoo/odoo-server/openerp/http.py", line 879, in proxy_method
    result = dispatch_rpc(self.service_name, method, args)
  File "/opt/odoo/odoo-server/openerp/http.py", line 115, in dispatch_rpc
    result = dispatch(method, params)
  File "/opt/odoo/odoo-server/openerp/service/report.py", line 34, in dispatch
    res = fn(db, uid, *params)
  File "/opt/odoo/odoo-server/openerp/service/report.py", line 141, in exp_report_get
    return _check_report(report_id)
  File "/opt/odoo/odoo-server/openerp/service/report.py", line 119, in _check_report
    raise openerp.osv.orm.except_orm(exc.message, exc.traceback)
except_orm: (u'5\nInput/output error', (<type 'exceptions.IOError'>, IOError(5, 'Input/output error'), <traceback object at 0x7fce7d18fd40>))
2017-03-15 04:35:11,935 31120 INFO sunion_production_021216 werkzeug: 42.3.11.114 - - [15/Mar/2017 04:35:11] "POST /web/report HTTP/1.1" 500 -