Classe functions pavoni: Erro na Execução

Hora do Erro: Thursday 13th 2021f May 2021 06:46:35 AM
Erro do Mysql: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1
Nmero de Erro: 1064
Última Query: SELECT * FROM `Produtos` WHERE `ProCodigo` =