Update configuration.py

odex25_transactions/exp_transaction_documents/models/configuration.py

@@ -91,7 +91,7 @@ class AttachmentRule(models.Model):
 
     @api.constrains('file_save')
     def _check_attachment_size(self):
-        max_size = 10 * 1024 * 1024  # 10 MB
+        max_size = 4 * 1024 * 1024  # 4 MB
         for record in self:
             if record.file_save:
                 file_size = len(base64.b64decode(record.file_save))