Start routine syntax error

Hi experts,

I don't know if some of you already faced the issue that I am .

I am developping a code in a transformation start routine, and I am getting the follwing error:

The weird part, i don't have any field named Data.I am using an And statement in my code as following:

When I disable this piece of code, i get no syntax errors anymore.

Can someone tell me what's wrong and how to bypass the issue?

Thanks.

Amine