Cannot Update - Sales Tax Liability Account settings has not been set

Error Message:

Cannot Update

Sales Tax Liability Account setting has not been set. Warning: Null Value is eliminated by an aggregate or other SET operation. Warning: Null Value is eliminated by an aggregate or other SET operation. Warning: Null Value is eliminated by an aggregate or other SET operation.

Solution:

Set Default (Admin Rights needed):

1. Go to your system settings by clicking on the gear in the lower left hand corner and select "System Settings".
2. Go to Account > General and scroll down to "Default Matter Accounts"
3. Fill "Sales Tax Liability Account" with the account needed

Set Account on Matter:

1. Go to the matter in question
2. Click on the gear icon and select "Accounting"
3. Scroll down to "Default Matter Accounts"
4. Fill "Sales Tax Liability Account" with the account needed