Nothing apparent in the sources. There is mention (Smeets 1989: 427f.) of a class of 'defective verbs', but these are simply verbs which lack a particular derivational suffix.
Smeets, Catharina. 1989. A Mapuche grammar. PhD Thesis, Leiden University.
Zúñiga, Fernando. 2000. Mapundungan. Munich: Lincom.