This issue occurs because the sql_require_primary_key flag in MySQL prevents the creation of tables without a primary key. Because of the way Laravel's Schema builder assigns primary keys to ...

Duplicate and Ignore on MySQL Inserts. MySQL table primary keys and unique indexes prevent multiple rows with the same index from being added to the table.

Search first I searched and no similar issues were found Description Reason: liquibase.exception.DatabaseException: This version of MySQL doesn't yet support 'existing primary key drop without addi ...