Cuando ejecuto el reporte me da este error

File "/usr/lib/python2.7/dist-packages/openerp/addons/jasper_reports/JasperReports/JasperServer.py", line 100, in execute    self.start()  File "/usr/lib/python2.7/dist-packages/openerp/addons/jasper_reports/JasperReports/JasperServer.py", line 86, in start    f = open( self.pidfile, 'w')IOError: [Errno 13] Permiso denegado: 'openerp-jasper.pid'