Fixed Assets>Transactions>Asset Disposal - select Asset Id/Name throws pop up message - Make sure that the Write Off, Disposal, Depreciation, and Asset Accounts have been set and active before proceeding. Disposal may not be possible

Problem:  Fixed Assets>Transactions>Asset Disposal - select Asset Id/Name throws pop up message - Make sure that the Write Off, Disposal, Depreciation, and Asset Accounts have been set and active before proceeding. Disposal may not be possible for the following: (Asset ID - Asset Name)

Solution: 

1.  Navigate to Fixed Assets > Lists > Assets 
2.  View the fixed assets record to be disposed 
3.  Click on Accounts tab
4.  Fill in the following fields:

Write Off Account 
Write Down Account 
Disposal Cost Account 
Asset Account
Depreciation Account
Depreciation Charge Account 

5.  Click Save 

Once the fields have been completed filled proceed to dispose the asset.  The warning message would no longer appear.