Question juridique clé
Whether the appeal met the reasoning requirements of Art. 42 BGG.
Solution extraite
No. The appellant did not show with sufficient clarity any legal error in the cantonal dismissal order.
Motifs extraits
A federal appeal must explain in concise form how the challenged decision violates law. The appellant only alluded to possible mistakes without linking them to the withdrawal declaration or showing a cognizable error that would justify setting aside the withdrawal and the dismissal.