Getting Error during calling workflow

When I am calling workfow for my custom quicklink, I am getting error.

Hi @puresoftware

Kindly clarify few details.

is it ISC or IdentityIQ? if it is IIQ may I know which version of IIQ?
stack trace post as text instead of image after sanitization.

@puresoftware The rule you have in one of your steps doe snot exist in the environment or the reference is wrong.
Double check the steps.