What incorrect explanations for the plague did medieval people offer?

The incorrect explanations for the plague that the medieval people offer are the following:

Jews were poisoning the wells (Jewish conspiracy). A lot of European Christians violently harrased the Jews in the belief that they had spread the plague.

Sign of Divine retribution from God. People’s solution was to “punish” themselves in hopes of receiving God’s mercy.

answer; (a) loss of judgment;