<?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 Query: SELECT page_id,page_title,page_namespace,page_is_redirect FROM "pagelinks","page" WHERE (pl_from=page_id) AND pl_title = 'Main_Page' AND pl_namespace = '0' ORDER BY pl_from LIMIT 11 Function: ApiQueryBacklinks::run::firstQuery Error: 42P01 ERROR: relation "pagelinks" does not exist LINE 1: ...,page_title,page_namespace,page_is_redirect FROM "pagelinks... ^ " 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...', 'ApiQueryBacklin...', false) #1 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/db/Database.php(1039): DatabasePostgres->reportQueryError('ERROR: relatio...', '42P01', 'SELECT page_id...', 'ApiQueryBacklin...', false) #2 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/db/Database.php(1496): DatabaseBase->query('SELECT page_id...', 'ApiQueryBacklin...') #3 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiQueryBase.php(274): DatabaseBase->select(Array, Array, Array, 'ApiQueryBacklin...', Array, Array) #4 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiQueryBacklinks.php(266): ApiQueryBase->select('ApiQueryBacklin...') #5 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiQueryBacklinks.php(107): ApiQueryBacklinks->run() #6 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiQuery.php(275): ApiQueryBacklinks->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>