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Internal error
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DatabaseBase::makeList: empty input

Backtrace:

#0 /usr/local/apache/common-local/php-1.20wmf5/includes/db/Database.php(1441): DatabaseBase->makeList(Array, 1)
#1 /usr/local/apache/common-local/php-1.20wmf5/includes/db/Database.php(1391): DatabaseBase->selectSQLText(Array, Array, Array, 'IndexPager::rea...', Array, Array)
#2 /usr/local/apache/common-local/php-1.20wmf5/includes/Pager.php(330): DatabaseBase->select(Array, Array, Array, 'IndexPager::rea...', Array, Array)
#3 /usr/local/apache/common-local/php-1.20wmf5/includes/Pager.php(196): IndexPager->reallyDoQuery('', 51, false)
#4 /usr/local/apache/common-local/php-1.20wmf5/includes/Pager.php(480): IndexPager->doQuery()
#5 /usr/local/apache/common-local/php-1.20wmf5/extensions/EducationProgram/includes/specials/SpecialManageCourses.php(186): IndexPager->getNumRows()
#6 /usr/local/apache/common-local/php-1.20wmf5/extensions/EducationProgram/includes/specials/SpecialManageCourses.php(150): SpecialManageCourses->displayCourseTables(Array)
#7 /usr/local/apache/common-local/php-1.20wmf5/extensions/EducationProgram/includes/specials/SpecialManageCourses.php(91): SpecialManageCourses->displayRoleAssociation('EPInstructor')
#8 /usr/local/apache/common-local/php-1.20wmf5/extensions/EducationProgram/includes/specials/SpecialManageCourses.php(44): SpecialManageCourses->displayCourses()
#9 /usr/local/apache/common-local/php-1.20wmf5/includes/SpecialPageFactory.php(493): SpecialManageCourses->execute(NULL)
#10 /usr/local/apache/common-local/php-1.20wmf5/includes/Wiki.php(263): SpecialPageFactory::executePath(Object(Title), Object(RequestContext))
#11 /usr/local/apache/common-local/php-1.20wmf5/includes/Wiki.php(603): MediaWiki->performRequest()
#12 /usr/local/apache/common-local/php-1.20wmf5/includes/Wiki.php(513): MediaWiki->main()
#13 /usr/local/apache/common-local/php-1.20wmf5/index.php(58): MediaWiki->run()
#14 /usr/local/apache/common-local/live-1.5/index.php(3): require('/usr/local/apac...')
#15 {main}