In this post, you’ll learn more about the MariaDB Error 1331 ER_SP_DUP_VAR with the details of the error message and why you receive this error
Maria DB Error Description
MariaDB Error 1331 – ER_SP_DUP_VAR with the sqlState 42000
Error Description for the MariaDB Error ER_SP_DUP_VAR
Duplicate variable: %s