After import in backend there comes to an error:

mysqli_sql_exception: Data too long for column 'handle' at row 3 in /homepages/20/d225801321/htdocs/htdocs/libraries/vendor/joomla/database/src/Mysqli/MysqliStatement.php:407
Stack trace:
#0 /homepages/20/d225801321/htdocs/htdocs/libraries/vendor/joomla/database/src/Mysqli/MysqliStatement.php(407): mysqli_stmt->execute()
#1 /homepages/20/d225801321/htdocs/htdocs/libraries/vendor/joomla/database/src/DatabaseDriver.php(651): Joomla\Database\Mysqli\MysqliStatement->execute()
#2 /homepages/20/d225801321/htdocs/htdocs/administrator/components/com_sociable/models/users.php(226): Joomla\Database\DatabaseDriver->execute()
#3 /homepages/20/d225801321/htdocs/htdocs/administrator/components/com_sociable/controllers/users.json.php(54): SociableModelUsers->syncUsers()
#4 /homepages/20/d225801321/htdocs/htdocs/administrator/components/com_sociable/sociable.php(34): SociableControllerUsers->execute()
#5 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Dispatcher/LegacyComponentDispatcher.php(71): require_once('/homepages/20/d...')
#6 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Dispatcher/LegacyComponentDispatcher.php(73): Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}()
#7 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Component/ComponentHelper.php(361): Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch()
#8 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Application/AdministratorApplication.php(150): Joomla\CMS\Component\ComponentHelper::renderComponent()
#9 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Application/AdministratorApplication.php(205): Joomla\CMS\Application\AdministratorApplication->dispatch()
#10 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Application/CMSApplication.php(306): Joomla\CMS\Application\AdministratorApplication->doExecute()
#11 /homepages/20/d225801321/htdocs/htdocs/administrator/includes/app.php(58): Joomla\CMS\Application\CMSApplication->execute()
#12 /homepages/20/d225801321/htdocs/htdocs/administrator/index.php(32): require_once('/homepages/20/d...')
#13 {main}

Next Joomla\Database\Exception\ExecutionFailureException: Data too long for column 'handle' at row 3 in /homepages/20/d225801321/htdocs/htdocs/libraries/vendor/joomla/database/src/Mysqli/MysqliStatement.php:411
Stack trace:
#0 /homepages/20/d225801321/htdocs/htdocs/libraries/vendor/joomla/database/src/DatabaseDriver.php(651): Joomla\Database\Mysqli\MysqliStatement->execute()
#1 /homepages/20/d225801321/htdocs/htdocs/administrator/components/com_sociable/models/users.php(226): Joomla\Database\DatabaseDriver->execute()
#2 /homepages/20/d225801321/htdocs/htdocs/administrator/components/com_sociable/controllers/users.json.php(54): SociableModelUsers->syncUsers()
#3 /homepages/20/d225801321/htdocs/htdocs/administrator/components/com_sociable/sociable.php(34): SociableControllerUsers->execute()
#4 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Dispatcher/LegacyComponentDispatcher.php(71): require_once('/homepages/20/d...')
#5 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Dispatcher/LegacyComponentDispatcher.php(73): Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}()
#6 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Component/ComponentHelper.php(361): Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch()
#7 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Application/AdministratorApplication.php(150): Joomla\CMS\Component\ComponentHelper::renderComponent()
#8 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Application/AdministratorApplication.php(205): Joomla\CMS\Application\AdministratorApplication->dispatch()
#9 /homepages/20/d225801321/htdocs/htdocs/libraries/src/Application/CMSApplication.php(306): Joomla\CMS\Application\AdministratorApplication->doExecute()
#10 /homepages/20/d225801321/htdocs/htdocs/administrator/includes/app.php(58): Joomla\CMS\Application\CMSApplication->execute()
#11 /homepages/20/d225801321/htdocs/htdocs/administrator/index.php(32): require_once('/homepages/20/d...')
#12 {main}