1. Is it plain error when the N.H. Superior Court abused discretion and when it allowed for the malicious litigation of a second, same-named breach of contract claim against the Rule of Law, Res Judicata, thereby violating the Defendant/Petitioner's due process and other Constitutional Rights?

Is the N.H. Superior Court's allowance of a second, same-named breach of contract claim against the Rule of Law, Res Judicata, a plain error that violates due process and other Constitutional Rights?