can not print report cycle item

netforce_clinic/models/hd_case_expense.py

@@ -28,7 +28,7 @@ class HDCaseExpense(Model):
         return res
 
     _fields={
-        'name': fields.Char("Name", function="_get_store",store=True),
+        'name': fields.Char("Name", size=256, function="_get_store",store=True),
         'date': fields.Date("Date",required=True,search=True),
         'patient_id': fields.Many2One("clinic.patient","Patient",domain=[['state','=','admit']], required=True,search=True),
         'hd_case_id': fields.Many2One("clinic.hd.case","HD Case",required=True,search=True),

netforce_clinic/models/report_cycle_item.py

@@ -143,8 +143,12 @@ class ReportCycleItem(Model):
                 total_epo=0
                 for line in hdcase.lines:
                     prod=line.product_id
+                    if prod.categ_id:
                         if prod.categ_id.code=='EPO':
                             total_epo+=line.qty or 0
+                    else:
+                        pass
+                        #print('>>> ', hdcase.number, prod.id, prod.name)
 
                 lines.append({
                    'dlz_drop': dlz_drop,