The Forever Error” is a tragic, logic-defying entity originating from user-generated lore within the collaborative True Godverse (TGV) mythos. Born from the melted code and discarded anomalies at the bottom of the Glitched Hell, this outerversal amalgamation possesses a cataclysmic aura capable of shattering reality. The concept is also tied to broader Undertale fanfiction and stories surrounding Error!Sans