[Mediawiki-api] Internal error in ApiLogin::execute: Unhandled case value

[Sergey Vladimirov]

Hi,

I'm using api.php for a long time (with bot account), but for last 2-3 weeks
instead of usual login response my bot has the following message:

<?xml version="1.0" encoding="utf-8"?><api><error
code="internal_api_error_MWException" info="Exception Caught: Internal error
in ApiLogin::execute: Unhandled case value">
#0 /usr/local/apache/common-local/php-1.5/includes/api/ApiBase.php(686):
wfDebugDieBacktrace('Internal error ...')
#1 /usr/local/apache/common-local/php-1.5/includes/api/ApiLogin.php(143):
ApiBase::dieDebug('ApiLogin::execu...', 'Unhandled case ...')
#2 /usr/local/apache/common-local/php-1.5/includes/api/ApiMain.php(412):
ApiLogin-&gt;execute()
#3 /usr/local/apache/common-local/php-1.5/includes/api/ApiMain.php(253):
ApiMain-&gt;executeAction()
#4 /usr/local/apache/common-local/php-1.5/includes/api/ApiMain.php(237):
ApiMain-&gt;executeActionWithErrorHandling()
#5 /usr/local/apache/common-local/php-1.5/api.php(77): ApiMain-&gt;execute()
#6 /usr/local/apache/common-local/live-1.5/api.php(3):
require('/usr/local/apac...')
#7 {main}
</error></api>
(ru.wikipedia.org, login:Secretary, user account groups: autoconfirmed,
bots)
In 20% of cases login success. Can anyone help me to resolve this issue?

-- 
Sergey Vladimirov
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