[UPDATE]UPDATE

odex25_sales/dev_membership/models/dev_membership.py

@@ -350,9 +350,21 @@ class DevMembership(models.Model):
             memberships = self.env['dev.membership'].search([('partner_id', '=', record.partner_id.id),('payment_state', 'in', ['paid','in_payment'])])
             total_fees = sum(membership.membership_fees for membership in memberships)+record.membership_fees
             total_duration = sum(membership.duration for membership in memberships)+record.duration
+            # Example to check if total_fees and total_duration are present and valid
+            domain = []
+            if total_fees is not None:
+                domain.append(('min', '<=', total_fees))
+            if total_duration is not None:
+                domain.append(('years', '<=', total_duration))
+
+            # Apply OR logic if both conditions are available
+            if total_fees is not None and total_duration is not None:
+                domain = ['|'] + domain
+
+            # Perform the search
+            level_by_fees = self.env['membership.level'].search(domain, limit=1, order='sequence desc')
 
             # البحث عن مستوى العضوية بناءً على إجمالي الرسوم
-            level_by_fees = self.env['membership.level'].search([ ('min', '<=', total_fees),('years', '<=', total_duration)], limit=1, order='sequence desc')
             if level_by_fees:
                 record.membrship_level = level_by_fees