In this post, you’ll learn more about the MariaDB Error 1089 ER_WRONG_SUB_KEY with the details of the error message and why you receive this error
Maria DB Error Description
MariaDB Error 1089 – ER_WRONG_SUB_KEY with the sqlState HY000
Error Description for the MariaDB Error ER_WRONG_SUB_KEY
Incorrect prefix key; the used key part isn’t a string, the used length is longer than the key part, or the storage engine doesn’t support unique prefix keys