Try to upgrade fram 5.7.3 to 5.7.3.1 and tryed all the upgrade procedures mention in innstallation guide. But none of them function. Deletet all files from my 5.7.3 and deleted all files from the database on server. And try a new installation...and it faled...oooof..someone who know whats wrong??? I think i give up the whole concrete soon . Herre is the error message under installing.

An exception occurred while executing 'INSERT INTO BlockTypes (btIgnorePageThemeGridFrameworkContainer, btHandle, btName, btDescription, btCopyWhenPropagate, btIncludeAll, btIsInternal, btSupportsInlineEdit, btSupportsInlineAdd, btInterfaceHeight, btInterfaceWidth, pkgID) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)' with params [0, "core_area_layout", "Area Layout", "Proxy block for area layouts.", 0, 0, 1, 1, 1, "400", "400", 0]: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'core_area_layout' for key 'btHandle'.

Trace:
#0 /customers/6/4/f/goto-norway.no/httpd.www/concrete/vendor/doctrine/dbal/lib/Doctrine/DBAL/Statement.php(167): Doctrine\DBAL\DBALException::driverExceptionDuringQuery(Object(PDOException), 'INSERT INTO Blo...', Array) #1 /customers/6/4/f/goto-norway.no/httpd.www/concrete/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/BasicEntityPersister.php(279): Doctrine\DBAL\Statement->execute() #2 /customers/6/4/f/goto-norway.no/httpd.www/concrete/vendor/doctrine/orm/lib/Doctrine/ORM/UnitOfWork.php(966): Doctrine\ORM\Persisters\BasicEntityPersister->executeInserts() #3 /customers/6/4/f/goto-norway.no/httpd.www/concrete/vendor/doctrine/orm/lib/Doctrine/ORM/UnitOfWork.php(335): Doctrine\ORM\UnitOfWork->executeInserts(Object(Doctrine\ORM\Mapping\ClassMetadata)) #4 /customers/6/4/f/goto-norway.no/httpd.www/concrete/vendor/doctrine/orm/lib/Doctrine/ORM/EntityManager.php(389): Doctrine\ORM\UnitOfWork->commit(NULL) #5 /customers/6/4/f/goto-norway.no/httpd.www/concrete/src/Block/BlockType/BlockType.php(178): Doctrine\ORM\EntityManager->flush() #6 /customers/6/4/f/goto-norway.no/httpd.www/concrete/src/Backup/ContentImporter.php(406): Concrete\Core\Block\BlockType\BlockType::installBlockType('core_area_layou...') #7 /customers/6/4/f/goto-norway.no/httpd.www/concrete/src/Backup/ContentImporter.php(73): Concrete\Core\Backup\ContentImporter->importBlockTypes(Object(SimpleXMLElement)) #8 /customers/6/4/f/goto-norway.no/httpd.www/concrete/src/Backup/ContentImporter.php(60): Concrete\Core\Backup\ContentImporter->doImport(Object(SimpleXMLElement)) #9 /customers/6/4/f/goto-norway.no/httpd.www/concrete/src/Package/StartingPointPackage.php(127): Concrete\Core\Backup\ContentImporter->importContentFile('/customers/6/4/...') #10 [internal function]: Concrete\Core\Package\StartingPointPackage->install_blocktypes() #11 /customers/6/4/f/goto-norway.no/httpd.www/concrete/controllers/install.php(286): call_user_func(Array) #12 [internal function]: Concrete\Controller\Install->run_routine('elemental_blank', 'install_blockty...') #13 /customers/6/4/f/goto-norway.no/httpd.www/concrete/src/Controller/AbstractController.php(156): call_user_func_array(Array, Array) #14 /customers/6/4/f/goto-norway.no/httpd.www/concrete/src/Routing/ControllerRouteCallback.php(25): Concrete\Core\Controller\AbstractController->runAction('run_routine', Array) #15 /customers/6/4/f/goto-norway.no/httpd.www/concrete/src/Routing/Router.php(59): Concrete\Core\Routing\ControllerRouteCallback->execute(Object(Concrete\Core\Http\Request), Object(Concrete\Core\Routing\Route), Array) #16 /customers/6/4/f/goto-norway.no/httpd.www/concrete/src/Support/Facade/Facade.php(116): Concrete\Core\Routing\Router->execute(Object(Concrete\Core\Routing\Route), Array) #17 /customers/6/4/f/goto-norway.no/httpd.www/concrete/src/Application/Application.php(342): Concrete\Core\Support\Facade\Facade::__callStatic('execute', Array) #18 /customers/6/4/f/goto-norway.no/httpd.www/concrete/src/Application/Application.php(342): Concrete\Core\Support\Facade\Route::execute(Object(Concrete\Core\Routing\Route), Array) #19 /customers/6/4/f/goto-norway.no/httpd.www/concrete/bootstrap/start.php(196): Concrete\Core\Application\Application->dispatch(Object(Concrete\Core\Http\Request)) #20 /customers/6/4/f/goto-norway.no/httpd.www/concrete/dispatcher.php(36): require('/customers/6/4/...') #21 /customers/6/4/f/goto-norway.no/httpd.www/index.php(2): require('/customers/6/4/...') #22 {main}