In this post, you’ll learn more about the MariaDB Error 1831 ER_DUP_INDEX with the details of the error message and why you receive this error
Maria DB Error Description
MariaDB Error 1831 – ER_DUP_INDEX with the sqlState HY000
Error Description for the MariaDB Error ER_DUP_INDEX
Duplicate index ‘%s’ defined on the table ‘%s.%s’. This is deprecated and will be disallowed in a future release.