Mahāparinibbāna Sutta 5.4.9

5.4.9

‘apehi, bhikkhu, mā me purato aṭṭhāsī’”ti?

Then this thought sprung up in the mind of the venerable Ânanda: 'The venerable Upâvana has long been in close personal attendance and service on the Blessed One. And now, at the last moment, the Blessed One is not pleased with Upâvana, and has said to him, "Stand aside, O brother, stand not in front of me!" What may be the cause and what the reason that the Blessed One is not pleased with Upâvana, and speaks thus with him?'