I implemented a custom event monitor for one of my customers. This monitor sends myself and the organization's Notes administrator an e-mail whenever an event with the following text occurs on the Domino server:

HTTP Web Server: Lotus Notes Exception

I implemented this monitor because of a Lotus Notes Exception that was occurring when users were entering text into a numeric field that wasn't required. Whenever a user did this, the following would appear in the Notes Log:

HTTP Web Server: Lotus Notes Exception - Cannot convert text to a number [/apps/somedb.nsf/5fb803444610eed885255fa30050e8e8?OpenForm&Seq=3]

I mentioned this to my customer, who said that the field didn't need to be numeric. So, I changed it to text and this error went away. However, my custom event monitor began notifying me about another problem with the Domino application:

HTTP Web Server: Lotus Notes Exception - Special database object cannot be located [/apps/somedb.nsf/]

I wasn't sure what this exception meant, so I looked up in Jake Howlett's DominoErrors database. Sure enough, Jake's synopsis for why this error occurs was right on the money. My Domino database was set up to open the About document on first use, but didn't have an About document defined. This was easily remedied, and the error has not occurred again since. Thanks, Jake!

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