The website with id 0 that was requested wasn‘t found. Verify the website and try again

如果是迁移网站保存请执行sql命令

SET FOREIGN_KEY_CHECKS=0;
UPDATE `store` SET store_id = 0 WHERE code='admin';
UPDATE `store_group` SET group_id = 0 WHERE name='Default';
UPDATE `store_website` SET website_id = 0 WHERE code='admin';
UPDATE `customer_group` SET customer_group_id = 0 WHERE 
customer_group_code='NOT LOGGED IN';
SET FOREIGN_KEY_CHECKS=1;