Launching Business Rule on Save of form is resulting in error

Summary:

We are able to run a script from calc manager. When the same script is attached to a form and run on save, it is resulting in error as below:

Error parsing formula for [0.00, at or after line: ["  @RELATIVE("All Site", 0),"]] (line 4): invalid object type.

But All Site is a valid member and it is enabled for Fin cube.

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