Orsdxy

I am getting below error while saving category.
This error are from log file.

[2019-01-18 12:03:51] main.CRITICAL: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'a76e6b4a_demo.amasty_xsearch_category_fulltext_cl' doesn't exist, query was: INSERT INTO `catalog_category_entity_varchar` (`entity_id`,`attribute_id`,`store_id`,`value`) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE `entity_id` = VALUES(`entity_id`), `attribute_id` = VALUES(`attribute_id`), `store_id` = VALUES(`store_id`), `value` = VALUES(`value`) {"exception":"[object] (Zend_Db_Statement_Exception(code: 42): SQLSTATE[42S02]: Base table or view not found: 1146 Table 'a76e6b4a_demo.amasty_xsearch_category_fulltext_cl' doesn't exist, query was: INSERT INTO `catalog_category_entity_varchar` (`entity_id`,`attribute_id`,`store_id`,`value`) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE `entity_id` = VALUES(`entity_id`), `attribute_id` = VALUES(`attribute_id`), `store_id` = VALUES(`store_id`), `value` = VALUES(`value`) at /chroot/home/a76e6b4a/buildersbook.com/html/demo/vendor/magento/zendframework1/library/Zend/Db/Statement/Pdo.php:235, PDOException(code: 42S02): SQLSTATE[42S02]: Base table or view not found: 1146 Table 'a76e6b4a_demo.amasty_xsearch_category_fulltext_cl' doesn't exist at /chroot/home/a76e6b4a/buildersbook.com/html/demo/vendor/magento/zendframework1/library/Zend/Db/Statement/Pdo.php:228)"} 

I have installed Amasty Xsearch extension before which I already removed and have been executed below commands too.

rm -rf var/cache/ var/page_cache/ var/view_preprocessed/ pub/static/frontend/ pub/static/adminhtml/

php -dmemory_limit=8G bin/magento cache:clean

php -dmemory_limit=8G bin/magento cache:flush

php -dmemory_limit=8G bin/magento setup:upgrade

php -dmemory_limit=8G bin/magento setup:di:compile

php -dmemory_limit=8G bin/magento indexer:reset

php -dmemory_limit=8G bin/magento indexer:reindex

php -dmemory_limit=8G bin/magento setup:static-content:deploy -f

I also give below permissions to my files and folders:

find . -type f -exec chmod 644 {} ;

find . -type d -exec chmod 755 {} ;

find ./var -type d -exec chmod 777 {} ;

find ./pub/media -type d -exec chmod 777 {} ;

find ./pub/static -type d -exec chmod 777 {} ;