You can enable Funds that have been disabled. This will allow you to start marking transactions with that particular Fund again.
Here are the steps to enable a disabled Fund:
1. Click the arrow next to Management in the menu bar 2. Click Funds under the Donation Strategies section 3. From the Tasks menu, choose "Show Disabled Funds" 4. Beneath the name of the Fund you wish to disable, click the word "Disabled" to re-enable the Fund 5. You will note that the status of the Fund changes to "Enabled"