[Mediawiki-l] Cannot save or preview anymore?

[Eccentric 67]

My wiki has been fine for months. I now get this error when I try to  save or preview an edit. 
 
+++++++++++++++++++++++ 
 
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 "Title::isDeleted". MySQL returned error "1146:  Table 'horsewiki.horse_archive' doesn't exist (localhost)". 
+++++++++++++++++++++++ 
 
My versioning is: 
MediaWiki <http://www.mediawiki.org/>: 1.8.2 
PHP <http://www.php.net/>: 5.1.6 (apache2handler) 
MySQL <http://www.mysql.com/>: 5.0.20a-max-log 
 
The only reference I have found mentions running "php -cli  ./maintenance/update.php" which I did successfully during the last  upgrade but it now shows this: 
 
"...page_namespace is already a full int (int(11)). A database query syntax error has occurred. The last attempted database query was: 
"SHOW COLUMNS FROM `horse_archive` LIKE 'ar_namespace'" from within function "". MySQL returned error "1146: Table 'horsewiki.horse_archive' doesn't exist (localhost)" 
 
Does anyone have an idea about this? 
 
-- 
Best regards, 
 
Michael 
 
 
 
 
 
 
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