In this post, you’ll learn more about the MariaDB Error 1311 ER_SP_UNINIT_VAR with the details of the error message and why you receive this error
Maria DB Error Description
MariaDB Error 1311 – ER_SP_UNINIT_VAR with the sqlState 01000
Error Description for the MariaDB Error ER_SP_UNINIT_VAR
Referring to uninitialized variable %s