Know the Factors That Caused the Birth of Plaintiffs Decision Not Acceptable in Civil Case Number 17 / PDT.G / 2018 / PN.Mrs and to Know the Law on Plaintiffs Claims Decisions Cannot Be Accepted for Civil Cases 17 / PDT.G / 2018 / PN.Mr. The method in this study uses normative juridical research methods using secondary data. The results of this research are (1) Judge's Consideration That Caused the Birth of the Plaintiff's Verdicts Verdict Not Acceptable in the Sengeketa Land Case in the Marisa District Court Decision Number: 17 / PDT.G / 2018 / PN. Marisa. Lawsuit for errors in persona (lawsuit filed, submitted to the wrong person) in the form of disqualification or consortium of plurium litis (persons appointed as defendants are incomplete) and Lawsuits made in accordance with the request or obscuur of libel as such in helping the Defendants postulate those who postulate it is called obscuur libel where the Plaintiff's claim on the disputed land object, its location, boundaries and size are unclear. (2) The Legal Consequences of the Plaintiffs' Verdicts Verdict Can Not Be Accepted in the Case of a Conflict in Land Court Decision Number: 17 / PDT.G / 2018 / PN. Marisa Namely the Plaintiff can request the lawsuit back to the Marisa District Court after restoring the lawsuit. Or you can appeal. Based on the results of this study, the authors propose the plaintiff's recommendations to be further clear about third parties