Magento 2 : Product Add/Update “Asymmetric transaction rollback.” error [SOLVED]

When creating a new product or update a product then trying to save get the following error message:

'Asymmetric transaction rollback error'

The issue is resolved and the following are the steps.

1. Reindex by using the following command
   

   php bin/magento indexer:reindex

2. run below commands
   

   rm -rf var/cache/*
   rm -rf var/page_cache/*
   rm -rf var/generation/*

3. Give permissions to var/generation folder.
4. Just you can change reindex mode for product related indexer ->Update by schedule. 
1. Product Flat Data 
2. Category Flat Data
3. Category Products
4. Product Categories
5. Product Price
6. Product EAV