or deny relief. Lack of subject matter jurisdiction is the absence of power to make any ruling at all.”); Knowles v. Knowles, 811 S.W.2d 709, 711 (Tex.App.—Tyler 1991, no writ) (in dicta, stating, "... if the 1975 divorce decree is construed, albeit erroneously, to award her separate property interest in the military benefits to the appel-lee, the trial court’s judgment must be affirmed under the doctrine of res judica-ta. ..."). 10 . Accord Wilson v. Uzzel, 953 S.W.2d 384, 390-91 (Tex.App.—El Paso 1997, no writ); Echols v. Echols, 900 S.W.2d 160, 162 (Tex.App.—Beaumont 1995, writ denied); Barnard v. Barnard, 863 S.W.2d 770, 774 (Tex.App.—Fort Worth 1993, no writ); see also Hardin v. Hardin, 597 S.W.2d 347, 350 (Tex.1980) (dicta). Cf. Berry v. Berry, 786 S.W.2d 672, 673 (Tex.1990) (<HOLDING>); Segrest v. Segrest, 649 S.W.2d 610, 612
holding res judicata applied to unappealed division of military retirement benefits when that division was not preempted at time of divorce but would have been preempted by later federal act had that act applied retroactively which it did not holding that a wife obtained a vested interest in her portion of the retirement benefits as of the date of the divorce decree and any act of the military spouse that unilaterally decreases the nonmilitary spouses vested interest is an impermissible modification of a division of marital property and a violation of the final decree of divorce holding that a transfer was a demotion where there was testimony that few people transferred voluntarily from jobs in the plaintiffs prior division to jobs in the plaintiffs new division  everybody viewed a transfer from the plaintiffs new division to the prior division as a promotion and the two departments had different seniority systems holding that reconsideration of the correctness of property division was barred on appeal from the judgment enforcing that division holding res judicata applied to improper property division before holding parties were bound by their division agreement