Internal Server Error

MartiniError: Query execution was interrupted
SQL: DESCRIBE `announcements_category_groups`

    in /var/www/html/martini-git/lib/mysql.php at line 803

#0 /var/www/html/martini-git/lib/mysql.php(317): DatabaseManager->realQuery('DESCRIBE `annou...', NULL, 'm6', false)
#1 /var/www/html/martini-git/lib/mysql.php(1035): DatabaseManager->query('DESCRIBE `annou...', NULL, 'm6', false)
#2 /var/www/html/martini-git/lib/mysql.php(1550): Database->query('DESCRIBE `annou...')
#3 /var/www/html/martini-git/lib/mysql.php(1503): Database->readTable('announcements_c...')
#4 /var/www/html/martini-git/lib/mysql.php(1106): Database->assertTable('announcements_c...')
#5 /var/www/html/martini-git/lib/mysql.php(1224): Database->getTable('announcements_c...')
#6 /var/www/html/martini-git/src/Newsquest/Core/Announcements/Handlers/Categories.php(61): Database->getRecords('announcements_c...', Array, 'title asc', NULL, 'id')
#7 /var/www/html/martini-git/src/Newsquest/Core/Announcements/Handlers/Categories.php(98): Newsquest\Core\Announcements\Handlers\Categories->getGroups(false)
#8 /var/www/html/martini-git/src/modules/MemorialModule.php(180): Newsquest\Core\Announcements\Handlers\Categories->getGroupsByType('memorial')
#9 /var/www/html/martini-git/src/core/ResponsiveMegaNavigationBuilder.php(745): MemorialModule->getSubNavigation()
#10 /var/www/html/martini-git/src/core/ResponsiveMegaNavigationBuilder.php(81): ResponsiveMegaNavigationBuilder->buildMegaNav()
#11 /var/www/html/martini-git/src/Newsquest/Core/Page/Chrome.php(1002): ResponsiveMegaNavigationBuilder->setHtml(Object(Newsquest\Core\Page\Chrome))
#12 /var/www/html/martini-git/src/Newsquest/Core/Page/Chrome.php(924): Newsquest\Core\Page\Chrome->buildNavigation()
#13 /var/www/html/martini-git/src/Newsquest/Core/Page/Chrome.php(317): Newsquest\Core\Page\Chrome->setFrontEndOptions()
#14 /var/www/html/martini-git/src/modules/ResponsivePropertyModule.php(1741): Newsquest\Core\Page\Chrome->asHttpResponse()
#15 /var/www/html/martini-git/src/modules/ResponsivePropertyModule.php(1007): ResponsivePropertyModule->generateMissingPropertyAdvertPage(2, '17942699', Array)
#16 /var/www/html/martini-git/src/modules/ResponsivePropertyModule.php(900): ResponsivePropertyModule->generatePropertyDetailsPage(2, '17942699', Array)
#17 /var/www/html/martini-git/src/core/ModuleController.php(229): ResponsivePropertyModule->generateHomes_For_Sale(Object(HttpRequest), Array)
#18 /var/www/html/martini-git/src/core/ModuleController.php(181): ModuleController->callAction('generatehomes_f...', Object(HttpRequest))
#19 /var/www/html/martini-git/src/core/ModuleController.php(58): ModuleController->handleRequest(Object(HttpRequest))
#20 /var/www/html/martini-git/src/web.php(626): ModuleController->handleDisplayRequest(Object(HttpRequest))
#21 /var/www/html/martini-git/src/web.php(107): RequestHandler->handleRequestInternal(Object(HttpRequest))
#22 /var/www/html/martini-git/lib/http.php(77): RequestHandler->handleRequest(Object(HttpRequest))
#23 /var/www/html/martini-git/htdocs/index.php(155): HttpApplication->run()
#24 {main}