I get the following error when I try to reindex
when I check index status…
Design Config Grid: Ready
Customer Grid: Ready
Category Products: Ready
Product Categories: Ready
Product Price: Ready
Product EAV: Ready
Stock: Ready
Catalog Rule Product: Reindex required
Catalog Product Rule: Reindex required
Catalog Search: Ready
Best Answer
I found Solution, create a catalog rule in Marketing -> Catalog Price Rule, this enter one row in tables on database. That error happen when you migrate magento, some tables still empty.