PAZ file giving me trouble

Could somebody help me with this PAZ file I created for Vertical Blinds. I simply couldn't get it to work with Bentley Architecture. I am worried if the PAZ file itself is having problems. I have another PAZ  file for something else and it works without any issues. If you could download this and analyze it and let me know what could be the issues, I would apprecaite a lot.

I might be doing something wrong with the parametric value while connecting to the datagroup system. I don't know where the error is. BA simply refuses to list this paz file in the User Defined Cell window. The Window_Cookie.paz works but the other one doesn't.

Vertical_Blinds.paz
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