Beyond rendering an agreement potentially void, what specific, non-obvious consequence can arise from a fundamental lack of 'certainty of terms' regarding critical deliverables within a complex service agreement?

A fundamental lack of 'certainty of terms' regarding critical deliverables within a complex service agreement can lead to the specific, non-obvious consequence of rendering the agreement practically unenforceable, primarily because it becomes exceedingly difficult, if not impossible, to objectively prove a 'breach of contract' and, consequently, to successfully claim specific legal remedies. 'Certainty of terms' refers to the precision and clarity with which all essential obligations, rights, and performance standards are defined within a contract. When critical deliverables—the essential services, outcomes, or products one party is contractually bound to provide to the other—lack this certainty, their exact scope, quali....