“Where the Court lacks jurisdiction to entertain a cause or matter, any step taken in the proceedings amounts to an exercise in futility. It is null and void. See Madukolu Vs Nkemdilim (1962) 1 ALL NLR 387 @ 594, Utih vs Onoyivwe (supra): IDISI vs Ecodril Nig. Ltd. & Ors (2016) ALL FWLR (Pt. 850) 1016: Gwede vs INEC & Ors. (2014) 18 NWLR (Pt. 1438) 56.” Per KEKERE-EKUN, JSC in APC & ORS v. ESIEC & ORS (2021-LCER-40460-SC) (Pp 34 – 34 Paras B – D).