When a list of items is added to Moss, an exception is reported from hresult: 0x80040e14 (exception from hresult: 0x80040e14)

1. First case

Hresult: 0x80040e14 when adding items to SharePoint

If you receive hresult: 0x80040e14 when trying to add an item like announcements/webpart/saving documents before running going through the Microsoft steps you have need to check the following

1. Your SQL server data drive is not full

2. Your MDF and LDF database files havent reached there full allocated size

3. Your database files are set to increase when full.

If you are still having this issue after checking the above follow the step listed in this link

Http://support.microsoft.com/kb/841216

2. Case 2

Insert and update columns that cannot insert values. We recommend that you assign a value to listitem ["title"] = "your value" and then run your code.