My aunt died. I am being asked to sign a "Waiver of Process; Consent to Probate". What is this and and what am I signing away.

Question Details: My aunt left a Will but I am not named in it. For some reason, though, I am being asked to sign a Waiver of Process; Consent to Probate. I've been told that it's just so the Will can be probated but don't understand why I have to sign something if I'm not mentioned in the Will. The Will does say something about trusts...could my family be hiding assets from me??? Important Notice