---
title: "Fix error: Object Reference not set when changing the FBL & Suppression list settings"
description: This error will occur if the upgrade process was not able to update one or more config files. You will need to modify the two files below using a text editor such as notepad. Hurricane MTA Serveraccou
---
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# Fix error: Object Reference not set when changing the FBL & Suppression list settings
This error will occur if the upgrade process was not able to update one or more config files. You will need to modify the two files below using a text editor such as notepad.
Hurricane MTA Serveraccounts\[account\]configgeneral.config
Hurricane MTA Serverconfigaccount\_templatesgeneral.config
Open each file and check for the two ini file sections below. If they do not yet exist, simply add them to the bottom of each file. Once you make the changes and save the files, the settings page will start
working without the need to restart any services.
```
[FeedbackLoops] Enabled = False CopyTo = Address = [Suppression] AddHardFailuresTo = AddFblsTo = CheckAddressesAgainst = SuppressFailAtRcptTo = False SuppressEnableMd5 = False
```
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