<?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  vt_tag  FROM "valid_tag"    &#10;Function: ChangeTags::listDefinedTags&#10;Error: 42P01 ERROR:  relation "valid_tag" does not exist&#10;LINE 1: ... /* ChangeTags::listDefinedTags  */  vt_tag  FROM "valid_tag...&#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  vt_tag ...', 'ChangeTags::lis...', false)
#1 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/db/Database.php(1039): DatabasePostgres->reportQueryError('ERROR:  relatio...', '42P01', 'SELECT  vt_tag ...', 'ChangeTags::lis...', false)
#2 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/db/Database.php(1496): DatabaseBase->query('SELECT  vt_tag ...', 'ChangeTags::lis...')
#3 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/ChangeTags.php(271): DatabaseBase->select('valid_tag', 'vt_tag', Array, 'ChangeTags::lis...')
#4 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiFeedContributions.php(171): ChangeTags::listDefinedTags()
#5 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiBase.php(556): ApiFeedContributions->getAllowedParams(0)
#6 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiBase.php(652): ApiBase->getFinalParams()
#7 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiMain.php(710): ApiBase->extractRequestParams()
#8 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiMain.php(814): ApiMain->setupModule()
#9 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiMain.php(380): ApiMain->executeAction()
#10 /usr/local/www/hosting/wiki.tourclient.ru/www/w/includes/api/ApiMain.php(351): ApiMain->executeActionWithErrorHandling()
#11 /usr/local/www/hosting/wiki.tourclient.ru/www/w/api.php(73): ApiMain->execute()
#12 {main}

</error>
</api>