I'm having a second issue on my wiki http://wiki.oxus.net/ as well. Since my upgrade from 1.3.x to 1.4.x, I now get the following error message after saving changes to an article. The article changes are saved, it just doesn't seem like the site is properly navigating back to the article.

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Database error

From KerimWiki

A database query syntax error has occurred. This may indicate a bug in the software. The last attempted database query was:

(SQL query hidden)

from within function "SearchUpdate::doUpdate". MySQL returned error "1016: Can't open file: 'searchindex.MYI'. (errno: 145) (localhost)". Retrieved from "http://wiki.oxus.net/index.php/Main_Page"

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Please reply to me off list at oxusnet+software [at] gmail.com.

Thanks for your help.

Kerim