I have had this same problem. I also have had this pop up several times while trying to access the QB site.

[TABLE]
[TR]
[TD="width: 100%"]Database error[/TD]
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[TR]
[TD="class: bodytext, colspan: 2"]The database has encountered a problem.[/TD]
[/TR]
[TR]
[TD="colspan: 2"][HR][/HR][/TD]
[/TR]
[TR]
[TD="class: bodytext, colspan: 2"]Please try the following: - Load the page again by clicking the Refresh button in your web browser.
- Open the www.quiltingboard.com home page, then try to open another page.
- Click the Back button to try another link.
[/TD]
[/TR]
[TR]
[TD="class: bodytext, colspan: 2"]The www.quiltingboard.com forum technical staff have been notified of the error, though you may contact them if the problem persists.[/TD]
[/TR]
[TR]
[TD="class: bodytext, colspan: 2"]
We apologise for any inconvenience.[/TD]
[/TR]
[/TABLE]