<?xml version="1.0"?>
<api>
  <error code="internal_api_error_DBQueryError" info="Exception Caught: A database error has occurred. Did you forget to run maintenance/update.php after upgrading?  See: https://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script&#10;Query: SELECT  page_id,page_title,page_namespace,pp_value  FROM "page_props","page"   WHERE (pp_page=page_id) AND pp_propname = &#039;displaytitle&#039;  ORDER BY pp_page LIMIT 11  &#10;Function: ApiQueryPagesWithProp::run&#10;Error: 42P01 ERROR:  relation "page_props" does not exist&#10;LINE 1: ... page_id,page_title,page_namespace,pp_value  FROM "page_prop...&#10;                                                             ^&#10;&#10;" xml:space="preserve">

#0 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/db/DatabasePostgres.php(482): DatabaseBase->reportQueryError('ERROR:  relatio...', '42P01', 'SELECT  page_id...', 'ApiQueryPagesWi...', false)
#1 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/db/Database.php(1039): DatabasePostgres->reportQueryError('ERROR:  relatio...', '42P01', 'SELECT  page_id...', 'ApiQueryPagesWi...', false)
#2 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/db/Database.php(1496): DatabaseBase->query('SELECT  page_id...', 'ApiQueryPagesWi...')
#3 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiQueryBase.php(274): DatabaseBase->select(Array, Array, Array, 'ApiQueryPagesWi...', Array, Array)
#4 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiQueryPagesWithProp.php(93): ApiQueryBase->select('ApiQueryPagesWi...')
#5 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiQueryPagesWithProp.php(40): ApiQueryPagesWithProp->run()
#6 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiQuery.php(275): ApiQueryPagesWithProp->execute()
#7 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiMain.php(829): ApiQuery->execute()
#8 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiMain.php(380): ApiMain->executeAction()
#9 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiMain.php(351): ApiMain->executeActionWithErrorHandling()
#10 /usr/local/www/hosting/wiki.tourclient.ru/www/w/api.php(73): ApiMain->execute()
#11 {main}

</error>
</api>