The thorny problems of Eucharistic theology led in the early sixteenth century to a great variety of views and all the points mentioned by Folly were in fact discussed. In the attempts at reconciliation both at Ratisbon in 1541 and at Poissy in 1561 Eucharistic theology was apparently (but perhaps only apparently) the one irreconcilable doctrinal issue separating the two sides of the schism opened up by the Reformation.