Here is my code error after instalation a modulated bar code. I do not think ....

thank you

OpenERP Server Error Client Traceback (most recent call last): File "/var/packages/OpenERP7.x/target/openerp/addons/web/http.py", line 195, in dispatch response["result"] = method(self, *self.params) File "/var/packages/OpenERP7.x/target/openerp/addons/web/controllers/main.py", line 1083, in call_button action = self._call_kw(req, model, method, args, {}) File "/var/packages/OpenERP7.x/target/openerp/addons/web/controllers/main.py", line 1071, in _call_kw return getattr(req.session.model(model), method)(args, **kwargs) File "/var/packages/OpenERP7.x/target/openerp/addons/web/session.py", line 43, in proxy result = self.proxy.execute_kw(self.session._db, self.session._uid, self.session._password, self.model, method, args, kw) File "/var/packages/OpenERP7.x/target/openerp/addons/web/session.py", line 31, in proxy_method result = self.session.send(self.service_name, method, *args) File "/var/packages/OpenERP7.x/target/openerp/addons/web/session.py", line 104, in send raise xmlrpclib.Fault(openerp.tools.ustr(e), formatted_info)

Server Traceback (most recent call last): File "/var/packages/OpenERP7.x/target/openerp/addons/web/session.py", line 90, in send return openerp.netsvc.dispatch_rpc(service_name, method, args) File "/usr/local/lib/python2.7/site-packages/openerp/netsvc.py", line 295, in dispatch_rpc result = ExportService.getService(service_name).dispatch(method, params) File "/usr/local/lib/python2.7/site-packages/openerp/service/web_services.py", line 614, in dispatch res = fn(db, uid, params) File "/usr/local/lib/python2.7/site-packages/openerp/osv/osv.py", line 188, in execute_kw return self.execute(db, uid, obj, method, *args, *kw or {}) File "/usr/local/lib/python2.7/site-packages/openerp/osv/osv.py", line 131, in wrapper return f(self, dbname, args, *kwargs) File "/usr/local/lib/python2.7/site-packages/openerp/osv/osv.py", line 198, in execute res = self.execute_cr(cr, uid, obj, method, args, *kw) File "/usr/local/lib/python2.7/site-packages/openerp/osv/osv.py", line 185, in execute_cr return getattr(object, method)(cr, uid, args, *kw) File "/var/packages/OpenERP7.x/target/openerp/addons/tr_barcode/tr_barcode.py", line 98, in generate_image hr=self_obj.hr_form) File "/var/packages/OpenERP7.x/target/openerp/addons/tr_barcode/tr_barcode.py", line 81, in get_image return base64.encodestring(open("/tmp/barcode.png","rb").read()) IOError: [Errno 2] No such file or directory: '/tmp/barcode.png'