Mississippi constitution
Article 6
Section 147

No judgment or decree in any chancery or circuit court rendered in a civil cause shall be reversed or annulled on the ground of want of jurisdiction to render said judgment or decree, from any error or mistake as to whether the cause in which it was rendered was of equity or common-law jurisdiction; but if the Supreme Court shall find error in the proceedings other than as to jurisdiction, and it shall be necessary to remand the case, the Supreme Court may remand it to that court which, in its opinion, can best determine the controversy.