A letter from the exilarch David ben Zakkai and the Babylonian notables was sent to ben Meïr, imploring him not to cause a schism and showing him the fallacy of his calculations with regard to the calendar. Ben Meïr answered in an arrogant fashion, and was then excommunicated by David ben Zakkai and the academies.
A letter from the exilarch David ben Zakkai and the prominent Babylonians was sent to ben Meïr, warning him against causing a division and demonstrating the flaw in his calculations concerning the calendar. Ben Meïr responded with pride, leading to his exclusion by David ben Zakkai and the academies.