Magento 2.3 – After migration my multi-store website Reindex Issue – No such entity

From Magento 1.9.2.3 multi-store to Magento 2.3.4 after successfully migrated settings and data to Magento 2.3.4 reindex error,

Error Screenshot: https://snipboard.io/cGWypo.jpg

Note: I am searching google still not getting a relevant solution.

System.log Error:

[2020-06-08 09:17:23] main.WARNING: Memory size allocated for the temporary table is more than 20% of innodb_buffer_pool_size. Please update innodb_buffer_pool_size or decrease batch size value (which decreases memory usages for the temporary table). Current batch size: 1000; Allocated memory size: 202500000 bytes; InnoDB buffer pool size: 134217728 bytes. [] []

My innodb_buffer_pool_size :

>etc/my.cnf

innodb_buffer_pool_size = 8048M