Unable to generate pentaho report with user different from Admin

[maicoldlb09]

I've got this issue:

and this is my log server
2017-09-06 20:56:10,143 19343 ERROR ukvivential openerp.service.report: Exception: <Fault 0: 'Failed to invoke method execute in class com.willowit.reporting.PentahoRenderer: java.lang.String cannot be cast to java.lang.Integer'>
Traceback (most recent call last):
File "/home/mdlb/Templates/odoo/openerp/service/report.py", line 93, in go
result, format = openerp.report.render_report(cr, uid, ids, object, datas, context)
File "/home/mdlb/Templates/odoo/openerp/report/init.py", line 40, in render_report
return registry['ir.actions.report.xml'].render_report(cr, uid, ids, name, data, context)
File "/home/mdlb/Templates/odoo/openerp/api.py", line 268, in wrapper
return old_api(self, *args, **kwargs)
File "/home/mdlb/Templates/odoo/openerp/addons/base/ir/ir_actions.py", line 156, in render_report
return new_report.create(cr, uid, res_ids, data, context)
File "/home/mdlb/Templates/odoo/openerp/addons_pentaho/pentaho_reports/core.py", line 269, in create
rendered_report, output_type = report_instance.execute()
File "/home/mdlb/Templates/odoo/openerp/addons_pentaho/pentaho_reports/core.py", line 201, in execute
return self.execute_report()
File "/home/mdlb/Templates/odoo/openerp/addons_pentaho/pentaho_reports/core.py", line 239, in execute_report
rendered_report = proxy.report.execute(proxy_argument).data
File "/usr/lib/python2.7/xmlrpclib.py", line 1243, in call
return self.__send(self.__name, args)
File "/usr/lib/python2.7/xmlrpclib.py", line 1602, in __request
verbose=self.__verbose
File "/usr/lib/python2.7/xmlrpclib.py", line 1283, in request
return self.single_request(host, handler, request_body, verbose)
File "/usr/lib/python2.7/xmlrpclib.py", line 1316, in single_request
return self.parse_response(response)
File "/usr/lib/python2.7/xmlrpclib.py", line 1493, in parse_response
return u.close()
File "/usr/lib/python2.7/xmlrpclib.py", line 800, in close
raise Fault(**self._stack[0])
Fault: <Fault 0: 'Failed to invoke method execute in class com.willowit.reporting.PentahoRenderer: java.lang.String cannot be cast to java.lang.Integer'>
2017-09-06 20:56:10,483 19343 ERROR ukvivential openerp.addons.web.controllers.main: An exception occured during an http request
Traceback (most recent call last):
File "/home/mdlb/Templates/odoo/openerp/addons/web/controllers/main.py", line 72, in wrap
return f(*args, **kwargs)
File "/home/mdlb/Templates/odoo/openerp/addons/web/controllers/main.py", line 1577, in index
request.session.db, request.session.uid, request.session.password, report_id)
File "/home/mdlb/Templates/odoo/openerp/http.py", line 885, in proxy_method
result = dispatch_rpc(self.service_name, method, args)
File "/home/mdlb/Templates/odoo/openerp/http.py", line 115, in dispatch_rpc
result = dispatch(method, params)
File "/home/mdlb/Templates/odoo/openerp/service/report.py", line 34, in dispatch
res = fn(db, uid, *params)
File "/home/mdlb/Templates/odoo/openerp/service/report.py", line 141, in exp_report_get
return _check_report(report_id)
File "/home/mdlb/Templates/odoo/openerp/service/report.py", line 119, in _check_report
raise openerp.osv.orm.except_orm(exc.message, exc.traceback)
except_orm: ('', (<class 'xmlrpclib.Fault'>, <Fault 0: 'Failed to invoke method execute in class com.willowit.reporting.PentahoRenderer: java.lang.String cannot be cast to java.lang.Integer'>, <traceback object at 0x7f85464e3ab8>))
It works well when I generate the pentaho report as Admin user, Any suggestion ?