>I managed to do as below:
>
>

>scatter memvar
>test = SQLEXEC(m.lnHandle, "INSERT INTO correios (nome, rua);
>       VALUES (m.nome,m.rua)")
>
>= MESSAGEBOX(test)
>
>
>It returns  -1
>
>
>Using '  '  it seems to work:
>
><pre>
>scatter memvar
>test = SQLEXEC(m.lnHandle, "INSERT INTO correios (nome, rua);
>       VALUES ('m.nome', 'm.rua')")
>
>= MESSAGEBOX(test)
>
>
>It returns  + 1
>
>
>However it replaces literal value  'm.nome' and 'm.rua'  instead of value stored in variable
>
>
>

>
>How can I track this error ?
>
Use

scatter memvar
test = SQLEXEC(m.lnHandle, "INSERT INTO correios (nome, rua)  VALUES (?m.nome,?m.rua)")

This will correctly insert your information using variables as parameters.