```
2015-09-01 17:35:16 mw1017 testwiki fatal ERROR: [c288852a] /w/api.php
ErrorException from line 77 of /srv/mediawiki/php-1.26wmf20/includes/api/ApiQueryUserInfo.php:
PHP Error: Argument 1 passed to ApiQueryUserInfo::getBlockInfo() must be an instance of Block, null given
[stacktrace]
#0 /srv/mediawiki/php-1.26wmf20/includes/api/ApiQueryUserInfo.php(77): MWExceptionHandler::handleError(integer, string, string, integer)
#1 /srv/mediawiki/php-1.26wmf20/includes/api/ApiLogin.php(165): ApiQueryUserInfo::getBlockInfo(NULL)
#2 /srv/mediawiki/php-1.26wmf20/includes/api/ApiMain.php(1093): ApiLogin->execute()
#3 /srv/mediawiki/php-1.26wmf20/includes/api/ApiMain.php(432): ApiMain->executeAction()
#4 /srv/mediawiki/php-1.26wmf20/includes/api/ApiMain.php(405): ApiMain->executeActionWithErrorHandling()
#5 /srv/mediawiki/php-1.26wmf20/api.php(88): ApiMain->execute()
#6 /srv/mediawiki/w/api.php(3): include(string)
#7 {main}
```