Huastvanift
The fourteenth sin was about Manichaeans not participating in the celebration of the "yemki" holidays in honor of the seven heads of the Manichaean church, as well as the main Manichaean holiday called "čaydanta" or "Bema" in Greek. The latter was celebrated in March to commemorate the execution of Mani, and involved a communal meal and a collective confession of sins committed over the past year.