Church fathers such as Maximus the Confessor and Theophanes the Confessor, and chroniclers such as George Syncellus adopted the "Alexandrian Era" of 25 March 5493 BC. Its striking mysticism made it popular in Byzantium, especially in monasteries. However this masterpiece of Christian symbolism had two grave problems, namely historical inaccuracy regarding the date of the Resurrection as determined by its Easter computus, and its contradiction of the chronology of the Gospel of Saint John regarding the date of the Crucifixion on Friday after the Passover.