Complex sentence: The fact that there was no attempt to deny the fault made the abbot so furious that he told her to leave the monastery; she left at once and remained outside the gate of the monastery as a beggar for quite a long time.
Split into simpler sentences: The fact that there was no attempt to deny the fault made the abbot so furious that he told her to leave the monastery. She left at once and remained outside the gates as a beggar for quite a long time.