No liability may accrue to any present conservator or guardian appointed pursuant to the provisions of this chapter solely for the prior acts or failure to act of any committee or guardian appointed under prior law, as defined in subsection (f), section two, article one of this chapter, or solely for the prior acts or failure to act of any preceding conservator or guardian, as defined in section four, article one of this chapter. No liability may accrue to any guardian or committee appointed under prior law, as defined in subsection (f), section two, article one of this chapter, solely for the acts or failure to act of any preceding guardian and committee.